Mind map
Year 9 chemistry recap
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Year 9 chemistry recap
what are chemicals made of
- atoms
- description of atoms have changed over time
- structure
- neutrons
- protons
- positive charged
- located in nucleus
- number of P's defines the ATOMIC NUMBER of an atom - this defines the type of element
- electrons
- negatively charged
- orbit the atom
- remain in orbit around atom due to attraction for positive charged protons
- atoms
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- Mind Map on Year 9 chemistry recap, created by bronte cram on 29/01/2019.
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- bronte cram · Jan 2019
- Updated
- Jan 29, 2019
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