Question 30
Question 30 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
11. Particle physics
11.2. Fundamental particles

recall that protons and neutrons are not fundamental particles and describe protons and neutrons in terms of their quark composition

11. Particle physics
11.1. Atoms, nuclei and radiation

describe a simple model for the nuclear atom to include protons, neutrons and orbital electrons