Additional chemistry
- Created by: Rachael johnston
- Created on: 24-05-11 19:11
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Subatomic particles
Atoms have a small central nucleus which is made up of protons and neutrons. The nucleus is surrounded by electrons.Protons,neutrons and electrons have relative charges.
All atoms of a particular element contain equal number of protons. Atoms of different elements have different numbers of protons. This is known as their atomic number. Elements…
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