- Science
Mission Objectives
Describe the basic structure of atoms
State the radius of an atom and the nucleus
Describe how the electron arrangement may change when radiation is absorbed or emitted
Words and meanings to learn
physicist
an expert in or student of physics
atom
the smallest unit of a chemical element that can exist
nucleus
In the centre of the atom. Contains the protons and neutrons.
absorb
to take in energy
radiographer
a trained healthcare professional qualified to produce medical imaging (such as X-rays or CT scans) for diagnosis or screening
Resources: class presentation
Handout: Practice labelling structure of an atom, describing the charges on particles and explaining the absorption and emission of energy when electrons move between shells.
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