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Question

Which of the following element has the least metallic character?

A
C
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B
Si
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C
Ge
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D
Sn
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Solution

The correct option is A C
On moving down the group from Carbon to Tin the metallic character increases. This is due to the fact that the increase in atomic radius decreases attraction between the positive nucleus and the negative electrons, causing the electrons to be held more loosely.

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