Which of the following allows solids to conduct electricity ?
A
Non-polar covalent bonding
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B
Ionic bonding
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C
Polar covalent bonding
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D
Hydrogen bonding
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E
Metallic bonding
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Solution
The correct option is D Metallic bonding Metallic bonding allow solids to conduct electricity. Positively charged nuclei float in a sea of mobile electrons. The electrons are free to move from one nucleus to other. This helps in thermal and electrical conductivity.