AIPMT PRELIMS 2010 Physics Types of Bonds MCQ Question
Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point?
Covalent bonding
Metallic bonding
van der Waal's bonding
Ionic bonding
Correct Answer
Detailed Explanation
Metallic bonds allow free electrons to move, reflecting light and conducting electricity. The conductivity decreases with temperature due to increased lattice vibrations.
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