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O-LevelChemistryAtomic Structure5070/11 · May/June 2024 · Q261 Mark

The total number of electrons in one atom of element Q is 17 and in one atom of element R is 19. Which statement about elements Q and R is correct?

AQ and R react together to form a covalent compound.
BQ forms positive ions.
CR has more outer shell electrons than Q.
DR is more metallic than Q.

✓ Correct answer

D: R is more metallic than Q.

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About this question

Topic
Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2024 Paper 1 Variant 1, question 26.

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