- Created by: Rachel Fitzgerald
- Created on: 17-01-12 10:03
Compounds are substances in which atoms of, two or more, elements are not just mixed togetherbut chemically combined.
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- Atoms have a small central nucleus made up of protons and neutrons around which are electrons
- the relative electrical charges
- in an ayom, the number of electrons is equal to the number of protons in the nucleus
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