This is a series of links to revision videos I have made for the atom.
This includes revision material, practice questions and answers as well as extra questions at the end that could be set as homework.
It includes:
1. The Dalton Atom and how it has changed
2. The sub-atomic particles in the atom, including their charge and mass
3. Why all atoms are neutral
4. How Rutherford proved the size of the nucleus
5. The mass of and atom, including mass and atomic number
6. Isotopes and how you can calculate the relative atomic mass
7. How to calculate the number of protons, neutrons and electrons
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