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Question

Which type of solid crystals will conduct heat and electricity?

A
Ionic
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B
Covalent
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C
Molecular
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D
Metallic
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Solution

The correct option is D Metallic
Metallic crystals consist of metal cations surrounded by a sea of mobile valence electrons. These electrons are capable of moving through the entire crystal. The metallic crystals conduct heat and electricity due to the presence of these mobile electrons in them.

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