Science / Year 9 / Science Understanding / Chemical sciences

Version 8

Australian Curriculum, Assessment and Reporting Authority

Curriculum content descriptions

All matter is made of atoms that are composed of protons, neutrons and electrons; natural radioactivity arises from the decay of nuclei in atoms (ACSSU177)

Elaborations

describing and modelling the structure of atoms in terms of the nucleus, protons, neutrons and electrons
comparing the mass and charge of protons, neutrons and electrons
describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms

ScOT terms

Atoms

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