O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2020 · Q121 Mark

The diagram shows the covalent bonds in an organic compound. The total number of electrons in one molecule of this compound is .X....... The total number of electrons in the bonds in one molecule of this compound is ......... Which numbers correctly complete gaps X and Y?

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AX: 14, Y: 12

BX: 14, Y: 14

CX: 18, Y: 12

DX: 18, Y: 14

✓ Correct answer

D: X: 18, Y: 14

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 1, question 12.

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