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O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2017 · Q81 Mark

X represents the element of atomic number 8 and Y represents the element of atomic number 19. The two elements react together to form a compound. Which row is correct for the compound formed?

AY2X covalent
BY2X ionic
CX2Y covalent
DX2Y ionic

✓ Correct answer

B: Y2X ionic

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About this question

Topic
Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 8.

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