O-LevelChemistryAtomic Structure5070/12 · Oct/Nov 2015 · Q211 Mark

Which statement about the Periodic Table is correct?

AElements are arranged in order of decreasing proton number.

BGroup number is the number of electron shells in atoms of the elements in the group.

CGroup numbers can be used to predict the charges of ions.

DMetallic character increases left to right across a period.

✓ Correct answer

C: Group numbers can be used to predict the charges of ions.

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 2, question 21.

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