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Chelsea Flores
12/6/2025
Chemistry
Chemistry Unit 2: Atomic Theory and the Periodic Table
52
•
Dec 6, 2025
•
Chelsea Flores
@chelseaflores_bhvv
Dive into the world of chemistry where atoms make up... Show more











Ever wonder what makes up literally everything around you? The answer is atoms! These tiny building blocks create everything from your desk to your own body. Atoms are so incredibly small that we need powerful microscopes to see them.
Every atom consists of two main components: the nucleus (or core) and the electron cloud. Within these components are three types of subatomic particles that give atoms their unique properties:
💡 Quick Fact: The number of protons in an atom determines which element it is. For example, all carbon atoms have exactly 6 protons!
Since atoms are so tiny, scientists have developed models to help us understand their structure. These models have evolved dramatically over time as new technologies have allowed us to learn more about atomic structure.

Scientists' understanding of atoms has changed dramatically over time as new discoveries were made. The way we visualize atoms today is completely different from how scientists imagined them centuries ago!
The electron cloud surrounds the nucleus and contains all the negatively charged electrons. Meanwhile, the nucleus or "core" houses the protons and neutrons, making up almost all of the atom's mass despite taking up very little space.
🔍 Science in Action: Scientific knowledge builds on itself! Each atomic model improved on previous ones as new technologies allowed scientists to "see" atoms more clearly.
As technology advances, our atomic models become more sophisticated. Remember that models aren't perfect representations—they're tools to help us understand something we can't directly observe with our eyes.

The history of atomic theory shows how scientific understanding evolves through research and new discoveries:
John Dalton (early 1800s) proposed that all matter consists of indivisible atoms, with all atoms of an element being identical. This was revolutionary but incomplete, as we now know atoms can be divided into smaller particles.
Later, J.J. Thomson discovered electrons and created the "plum pudding" model. Ernest Rutherford then discovered the nucleus and named protons, while James Chadwick identified neutrons in the nucleus.
Niels Bohr suggested that electrons orbit the nucleus in specific energy levels, similar to planets around the sun. This was later refined into the Modern Atomic Theory, which describes electrons moving at high speeds in an electron cloud rather than in neat orbits.
🚀 Think About It: Each scientist built upon previous discoveries. How might future scientists further refine our understanding of atoms?

The periodic table isn't just a poster on your classroom wall—it's one of science's most powerful tools! Dmitri Mendeleev organized elements by their properties and discovered the Periodic Law: when arranged by increasing atomic number, elements display regular, repeating patterns of properties.
The table is organized into rows called periods (running left to right) and columns called groups or families (running top to bottom). Each element has its own box (an element key) containing essential information:
One of the most important features of an atom is its valence electrons—those found on the outer edge of the atom, farthest from the nucleus. These electrons determine how elements bond with each other to form compounds.
🔑 Key Concept: Valence electrons are like an element's "social connectors"—they determine how elements interact and form bonds with other elements.

Valence electrons are crucial for understanding chemistry because they determine how atoms bond together. An atom can have between 1-8 valence electrons, and these are the electrons that participate in chemical reactions.
Finding the number of valence electrons is surprisingly easy! For most elements , just look at the group number. For groups 13-18, use the second digit of the group number:
💡 Pro Tip: When you know an element's valence electrons, you can predict how it will react with other elements. This is chemistry's version of understanding someone's personality!
Transition elements follow different patterns for valence electrons, which you'll learn about later in your chemistry journey.

The periodic table organizes elements into three main types: metals, nonmetals, and metalloids. This classification helps predict how elements will behave in reactions and what properties they'll have.
You can locate any element on the periodic table using its period (row) and group (column) numbers. For example, an element in Period 3, Group 15 is phosphorus (P). This coordinate system makes it easy to find any element quickly.
Determining valence electrons for elements like hydrogen , oxygen , or calcium helps you predict their chemical behavior. Elements in the same group have the same number of valence electrons and similar chemical properties.
🧠 Remember: Practice finding elements by their coordinates and determining their valence electrons. This skill is fundamental for success in chemistry!

The periodic table has a distinctive zig-zag line (sometimes called the "staircase") that divides elements into different categories. This division isn't random—it reflects fundamental differences in element properties!
Metals occupy the left side of the table (shown in blue) and make up the majority of elements. They typically share properties like conductivity and malleability.
Nonmetals are found on the right side of the table (shown in orange) and have very different properties from metals. These include elements like oxygen, nitrogen, and carbon that are essential for life.
🔍 Interesting Exception: Aluminum (Al) sits right on the border but is classified as a metal rather than a metalloid because it exhibits more metallic properties.
Metalloids or semimetals border the staircase line (shown in purple) and possess properties of both metals and nonmetals. Elements like silicon and boron fall into this interesting middle category.

Metals dominate the periodic table and have distinctive properties that make them useful in everyday life. They're lustrous (shiny), malleable (can be hammered into shapes), ductile (can be drawn into wires), and are excellent conductors of heat and electricity. Most metals are solid at room temperature, with mercury being the fascinating exception as a liquid metal!
Nonmetals essentially have opposite properties to metals. They're typically dull rather than shiny, brittle instead of malleable, and are poor conductors (insulators). Nonmetals exist in all three states at room temperature—some are solids (like carbon), several are gases (like oxygen), and bromine is a liquid.
⚡ Fun Fact: The silicon in your computer chips is a metalloid—this in-between nature gives it the special semiconductor properties that make modern electronics possible!
Metalloids (or semimetals) combine properties of both metals and nonmetals. They're somewhat shiny but brittle, and function as semiconductors—elements with electrical conductivity between metals and nonmetals. This property makes them invaluable in electronics.

The periodic table isn't just for organizing elements—it reveals patterns in how atomic properties change across the table! Atomic radius is one of these important patterns, measuring the distance from the nucleus to the edge of the electron cloud.
As you move down a group (column), atoms get larger because each step adds an entire new energy level to the electron cloud. Think of it like adding another layer to an onion—each new shell makes the atom bigger.
Moving across a period (row) from left to right, something different happens—atoms actually get smaller! With each step, you add both a proton and an electron. The additional positive charge in the nucleus pulls the electron cloud inward more strongly, shrinking the atom.
📏 Visualization Tip: Imagine the periodic table as a map where size decreases as you go up and right. The largest atoms are at the bottom left (like cesium), and the smallest are at the top right.
The overall trend is clear: atomic radius increases toward the bottom left of the table and decreases toward the top right.

Ionization energy is the energy required to remove an electron from an atom, turning the atom into an ion. This property is crucial for understanding how elements form chemical bonds.
When an atom loses an electron, it becomes positively charged (having more protons than electrons) and is called a cation. When an atom gains an electron, it becomes negatively charged (having more electrons than protons) and is called an anion.
Ionization energy follows a pattern opposite to atomic radius: it increases as you move from left to right across a period and decreases as you move down a group. This makes sense because smaller atoms hold their electrons more tightly, requiring more energy to remove them.
⚖️ Concept Check: Ionization energy and atomic radius are inversely proportional—when one increases, the other decreases.
Understanding ionization energy helps explain why metals (with lower ionization energies) tend to lose electrons and form positive ions, while nonmetals (with higher ionization energies) tend to gain electrons and form negative ions.
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
You can download the app in the Google Play Store and in the Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
App Store
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Chelsea Flores
@chelseaflores_bhvv
Dive into the world of chemistry where atoms make up everything around us! In this unit, you'll explore atomic theory's evolution and discover how the periodic table organizes elements based on their properties and behavior. Understanding atoms and the periodic... Show more

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Ever wonder what makes up literally everything around you? The answer is atoms! These tiny building blocks create everything from your desk to your own body. Atoms are so incredibly small that we need powerful microscopes to see them.
Every atom consists of two main components: the nucleus (or core) and the electron cloud. Within these components are three types of subatomic particles that give atoms their unique properties:
💡 Quick Fact: The number of protons in an atom determines which element it is. For example, all carbon atoms have exactly 6 protons!
Since atoms are so tiny, scientists have developed models to help us understand their structure. These models have evolved dramatically over time as new technologies have allowed us to learn more about atomic structure.

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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Scientists' understanding of atoms has changed dramatically over time as new discoveries were made. The way we visualize atoms today is completely different from how scientists imagined them centuries ago!
The electron cloud surrounds the nucleus and contains all the negatively charged electrons. Meanwhile, the nucleus or "core" houses the protons and neutrons, making up almost all of the atom's mass despite taking up very little space.
🔍 Science in Action: Scientific knowledge builds on itself! Each atomic model improved on previous ones as new technologies allowed scientists to "see" atoms more clearly.
As technology advances, our atomic models become more sophisticated. Remember that models aren't perfect representations—they're tools to help us understand something we can't directly observe with our eyes.

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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
The history of atomic theory shows how scientific understanding evolves through research and new discoveries:
John Dalton (early 1800s) proposed that all matter consists of indivisible atoms, with all atoms of an element being identical. This was revolutionary but incomplete, as we now know atoms can be divided into smaller particles.
Later, J.J. Thomson discovered electrons and created the "plum pudding" model. Ernest Rutherford then discovered the nucleus and named protons, while James Chadwick identified neutrons in the nucleus.
Niels Bohr suggested that electrons orbit the nucleus in specific energy levels, similar to planets around the sun. This was later refined into the Modern Atomic Theory, which describes electrons moving at high speeds in an electron cloud rather than in neat orbits.
🚀 Think About It: Each scientist built upon previous discoveries. How might future scientists further refine our understanding of atoms?

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The periodic table isn't just a poster on your classroom wall—it's one of science's most powerful tools! Dmitri Mendeleev organized elements by their properties and discovered the Periodic Law: when arranged by increasing atomic number, elements display regular, repeating patterns of properties.
The table is organized into rows called periods (running left to right) and columns called groups or families (running top to bottom). Each element has its own box (an element key) containing essential information:
One of the most important features of an atom is its valence electrons—those found on the outer edge of the atom, farthest from the nucleus. These electrons determine how elements bond with each other to form compounds.
🔑 Key Concept: Valence electrons are like an element's "social connectors"—they determine how elements interact and form bonds with other elements.

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Valence electrons are crucial for understanding chemistry because they determine how atoms bond together. An atom can have between 1-8 valence electrons, and these are the electrons that participate in chemical reactions.
Finding the number of valence electrons is surprisingly easy! For most elements , just look at the group number. For groups 13-18, use the second digit of the group number:
💡 Pro Tip: When you know an element's valence electrons, you can predict how it will react with other elements. This is chemistry's version of understanding someone's personality!
Transition elements follow different patterns for valence electrons, which you'll learn about later in your chemistry journey.

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The periodic table organizes elements into three main types: metals, nonmetals, and metalloids. This classification helps predict how elements will behave in reactions and what properties they'll have.
You can locate any element on the periodic table using its period (row) and group (column) numbers. For example, an element in Period 3, Group 15 is phosphorus (P). This coordinate system makes it easy to find any element quickly.
Determining valence electrons for elements like hydrogen , oxygen , or calcium helps you predict their chemical behavior. Elements in the same group have the same number of valence electrons and similar chemical properties.
🧠 Remember: Practice finding elements by their coordinates and determining their valence electrons. This skill is fundamental for success in chemistry!

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The periodic table has a distinctive zig-zag line (sometimes called the "staircase") that divides elements into different categories. This division isn't random—it reflects fundamental differences in element properties!
Metals occupy the left side of the table (shown in blue) and make up the majority of elements. They typically share properties like conductivity and malleability.
Nonmetals are found on the right side of the table (shown in orange) and have very different properties from metals. These include elements like oxygen, nitrogen, and carbon that are essential for life.
🔍 Interesting Exception: Aluminum (Al) sits right on the border but is classified as a metal rather than a metalloid because it exhibits more metallic properties.
Metalloids or semimetals border the staircase line (shown in purple) and possess properties of both metals and nonmetals. Elements like silicon and boron fall into this interesting middle category.

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Metals dominate the periodic table and have distinctive properties that make them useful in everyday life. They're lustrous (shiny), malleable (can be hammered into shapes), ductile (can be drawn into wires), and are excellent conductors of heat and electricity. Most metals are solid at room temperature, with mercury being the fascinating exception as a liquid metal!
Nonmetals essentially have opposite properties to metals. They're typically dull rather than shiny, brittle instead of malleable, and are poor conductors (insulators). Nonmetals exist in all three states at room temperature—some are solids (like carbon), several are gases (like oxygen), and bromine is a liquid.
⚡ Fun Fact: The silicon in your computer chips is a metalloid—this in-between nature gives it the special semiconductor properties that make modern electronics possible!
Metalloids (or semimetals) combine properties of both metals and nonmetals. They're somewhat shiny but brittle, and function as semiconductors—elements with electrical conductivity between metals and nonmetals. This property makes them invaluable in electronics.

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The periodic table isn't just for organizing elements—it reveals patterns in how atomic properties change across the table! Atomic radius is one of these important patterns, measuring the distance from the nucleus to the edge of the electron cloud.
As you move down a group (column), atoms get larger because each step adds an entire new energy level to the electron cloud. Think of it like adding another layer to an onion—each new shell makes the atom bigger.
Moving across a period (row) from left to right, something different happens—atoms actually get smaller! With each step, you add both a proton and an electron. The additional positive charge in the nucleus pulls the electron cloud inward more strongly, shrinking the atom.
📏 Visualization Tip: Imagine the periodic table as a map where size decreases as you go up and right. The largest atoms are at the bottom left (like cesium), and the smallest are at the top right.
The overall trend is clear: atomic radius increases toward the bottom left of the table and decreases toward the top right.

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Ionization energy is the energy required to remove an electron from an atom, turning the atom into an ion. This property is crucial for understanding how elements form chemical bonds.
When an atom loses an electron, it becomes positively charged (having more protons than electrons) and is called a cation. When an atom gains an electron, it becomes negatively charged (having more electrons than protons) and is called an anion.
Ionization energy follows a pattern opposite to atomic radius: it increases as you move from left to right across a period and decreases as you move down a group. This makes sense because smaller atoms hold their electrons more tightly, requiring more energy to remove them.
⚖️ Concept Check: Ionization energy and atomic radius are inversely proportional—when one increases, the other decreases.
Understanding ionization energy helps explain why metals (with lower ionization energies) tend to lose electrons and form positive ions, while nonmetals (with higher ionization energies) tend to gain electrons and form negative ions.
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
You can download the app in the Google Play Store and in the Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Organizing elements
different electron configurations for chemistry; examples included
This talks about the properties of matter, classifications of matter, states of matter and atomic bonding.
Explore the unique properties and characteristics of transition metals, including their position in the periodic table, physical and chemical properties, and their role as catalysts. This summary provides essential insights for understanding transition metals, their behavior in reactions, and their significance in various applications.
about the various groupings in the periodic table
Explore the concepts of isotopes and relative atomic mass in this detailed summary. Learn how to calculate the average atomic mass using isotope abundance and mass, with a focus on practical examples like Copper. Ideal for chemistry students preparing for exams.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user