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Elements and atoms | Atoms, compounds, and ions | Chemistry | Khan Academy



Khan Academy

How elements relate to atoms. The basics of how protons, electrons and neutrons make up an atom.

Watch the next lesson: https://www.khanacademy.org/science/chemistry/atomic-structure-and-properties/introduction-to-the-atom/v/atomic-number-mass-number-and-isotopes?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

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30 thoughts on “Elements and atoms | Atoms, compounds, and ions | Chemistry | Khan Academy
  1. I am seriously not lying you are 💯 percent better then my science teacher, literally u explain everything in few minutes which I understand but when my teacher explains in 2 hours I can't understand anything!

  2. wait… inhales tAENA NAKABASE NA LANG TALAGA SA TEACHER YUNG PAGLEARN NG SUBJECT NA TO LIKE WATDAHEAL GETS KO SIYA SA 13 MINUTES NA VIDEO PERO SA BUONG SEMESTER NA PAGTUTURO NG TEACHER NAMIN WALA,,, or baka bobo lang talaga ako haha shuta ok bye

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