O-LevelChemistryBonding & Structure5070/11 · May/June 2015 · Q81 Mark

Which substance has metallic bonding?

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ARow A: conducts electricity when solid (✓), when liquid (✓), state of product formed on reaction with oxygen solid

BRow B: conducts electricity when solid (✓), when liquid (✓), state of product formed on reaction with oxygen gas

CRow C: conducts electricity when solid (X), when liquid (X), state of product formed on reaction with oxygen no reaction

DRow D: conducts electricity when solid (X), when liquid (X), state of product formed on reaction with oxygen solid

✓ Correct answer

A: Row A: conducts electricity when solid (✓), when liquid (✓), state of product formed on reaction with oxygen solid

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2015 Paper 1 Variant 1, question 8.

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