O-LevelPhysicsNuclear Physics5054/12 · Oct/Nov 2014 · Q401 Mark

A neutral atom of chlorine-37 is compared with a neutral atom of argon-37. How do the number of electrons and the number of neutrons in each of the atoms compare?

Anumber of electrons: different, number of neutrons: different

Bnumber of electrons: different, number of neutrons: same

Cnumber of electrons: same, number of neutrons: same

Dnumber of electrons: same, number of neutrons: different

✓ Correct answer

A: number of electrons: different, number of neutrons: different

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2014 Paper 1 Variant 2, question 40.

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