O-LevelChemistryAtomic Structure5070/11 · Oct/Nov 2024 · Q41 Mark

An ion has an electronic configuration of 2,8,8. It has a 2- charge and a nucleon number of 36. How many neutrons are present in the nucleus of this ion?

A16

B18

C19

D20

✓ Correct answer

D: 20

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2024 Paper 1 Variant 1, question 4.

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