O-LevelChemistryBonding & Structure5070/11 · May/June 2010 · Q71 Mark

The diagram shows the structure of a covalent compound containing the element hydrogen, H, and the unknown elements X, Y and Z. To which groups of the Periodic Table do these three elements, X, Y and Z, belong?

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A1, 5, 6

B4, 5, 1

C4, 6, 5

D5, 1, 4

✓ Correct answer

C: 4, 6, 5

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2010 Paper 1 Variant 1, question 7.

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