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Atomic structure for AQA GCSE Physics
- 3. Basic Structure is a small central
nucleus composed of protons and
neutrons
Neutrons
Protons
- 5. Protons have a positive
charge, electrons have a negative
charge and neutrons have no charge
- 7. In an atom the number of protons
= the number of electrons
- 11. Isotopes – atoms have same numbers
of protons but can have a different
number of neutrons