Physics · Oct / Nov 2021 · Paper 11 · Question 40
5054The atom
In the simple model of an atom, X orbits around Y. What are X and Y?
- Aelectron / nucleus
- Bneutron / electron
- Cnucleus / proton
- Dproton / neutron
As printed in the paper
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Correct answer: A. electron / nucleus
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