O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2017 · Q211 Mark

Which change always occurs when a metal atom is oxidised?

AIt becomes positively charged.

BIt combines with oxygen.

CIt gains an electron.

DIt gains a proton.

✓ Correct answer

A: It becomes positively charged.

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 1, question 21.

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