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Content description VCSSU122

Science / Levels 9 and 10 / Science Understanding / Chemical sciences
Content description
All matter is made of atoms which are composed of protons, neutrons and electronsÍž natural radioactivity arises from the decay of nuclei in atoms
  1. describing and modelling the structure of atoms in terms of the nucleus, protons, neutrons and electrons
  2. comparing the mass and charge of protons, neutrons and electrons
  3. describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms
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