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O-LevelChemistryAtomic Structure5070/11 · Oct/Nov 2015 · Q71 Mark

How is a calcium ion, Ca2+, formed from a calcium atom?

Aby gaining two electrons
Bby gaining two protons
Cby losing two electrons
Dby losing two protons

✓ Correct answer

C: by losing two electrons

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About this question

Topic
Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 1, question 7.

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