A solid melts slightly above \( 273 \mathrm{~K} \) and is a poor P ...

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A solid melts slightly above \( 273 \mathrm{~K} \) and is a poor
P conductor of heat and electricity. To which of the

W following categories does it belong?
(A) Ionic solid
(B) Covalent solid
(C) Metallic solid
(D) Molecular solid
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