A-LevelPhysicsNuclear physics9702/12 · May/June 2025 · Q381 Mark
Two neutral atoms are isotopes of the same element. Which statement about the atoms is correct?
AThey have a different number of neutrons and a different number of electrons.
BThey have a different number of neutrons and the same number of protons.
CThey have the same number of neutrons and a different number of electrons.
DThey have the same number of neutrons and the same number of protons.
✓ Correct answer
B: They have a different number of neutrons and the same number of protons.
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