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O-LevelChemistryBonding & Structure5070/11 · May/June 2012 · Q61 Mark

The proton number of element X is 6. The proton number of element Y is 9. What is the formula of a compound of these elements?

AX2Y3

BX3Y2

CXY3

DXY4

✓ Correct answer

D: XY4

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About this question

Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2012 Paper 1 Variant 1, question 6.

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