O-LevelChemistryAtomic Structure5070/12 · Oct/Nov 2023 · Q231 Mark

The table shows the number of electrons in one atom of each of the elements W, X, Y and Z. Which statement is correct?

AW and Z are in the same group.

BX is a metal.

CX and Y will form the compound X3Y.

DY is a non-metal.

✓ Correct answer

A: W and Z are in the same group.

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 2, question 23.

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