BRAINCAKEStructure of the Atom
Atoms are made of sub-atomic particles called electrons, protons and neutrons.
Protons and neutrons are found in the nucleus and are called nucleons. Protons are positively charged and neutrons have no charge.
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More in Atomic Structure
- Discovery of the Atom
- Relative Mass and Relative Charge
- Atomic Number and Mass Number
- Isotopes
- Isotopes of Carbon
- Electrons
- Electron Shells
- The Mass Spectrometer
All 22 lessons in Atomic Structure · All AQA AS-level Chemistry topics