VCSSU122
All matter is made of atoms which are composed of protons, neutrons and electronsÍž natural radioactivity arises from the decay of nuclei in atoms
Elaborations
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describing and modelling the structure of atoms in terms of the nucleus, protons, neutrons and electrons
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comparing the mass and charge of protons, neutrons and electrons
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describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms
VCSSU122 | Science | Levels 9 and 10 | Science Understanding | Chemical sciences
