CAIE IGCSE Physics: Atomic Structure Question Bank

Practise describing neutral atoms as a small positive nucleus with electrons in orbit, using diagrams and nuclide information.

Exam points

identify the nucleus and orbiting electrons in atomic diagrams or labelled models
state that protons and neutrons are in the nucleus while electrons orbit around it
use nuclide data to infer electron number and neutrality for a named atom

[Maximum number: 3]

Describe the structure of an atom of helium- $4,{ }_{2}^{4} \mathrm{He}$ .

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