O-LevelChemistryBonding & Structure5070/11 · May/June 2021 · Q271 Mark

Elements X and Y combine to form an ionic compound. Atoms of X have more protons than atoms of Y. Atoms of Y have more valence electrons than atoms of X. Which statement is correct?

AIons of X are negatively charged.

BAtoms of X have more electron shells than atoms of Y.

CX and Y are in the same period of the Periodic Table.

DX and Y are in the same group of the Periodic Table.

✓ Correct answer

B: Atoms of X have more electron shells than atoms of Y.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2021 Paper 1 Variant 1, question 27.

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