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YEAR 9 CHEMISTRY RECAP
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YEAR 9 CHEMISTRY RECAP
WHAT ARE CHEMICALS MADE OF?
- ATOMS
- DESCRIPTIONS OF ATOMS HAVE CHANGED OVER TIME
- SCRUCTURE
- NEUTRONS
- MASS OF APPROX. 1 AMU
- PROTONS
- POSITIVLEY CHARGED
- LOCATED IN THE NUCLEUS
- MASS OF APPROX 1. AMU
- ELECTRONS
- NEGATIVLEY CHARGED
- ORBIT THE ATOM
- REMAIN IN ORBIT AROUND ATOM DUE TO ATTRACTION FOR POSITIVELY CHARGED PROTONS
- CHANGING THE OF E- GIVES THE ATOM A CHARGE - CALLED AN ION
- VERY LOW MASS
- NEUTRONS
- ATOMS
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- Mind Map on YEAR 9 CHEMISTRY RECAP, created by francesca lewis on 29/01/2019.
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- francesca lewis
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