Answers

2014-12-16T21:44:46+05:30
It has 4 electrons in its outermost shell (Half filled shell) and it is energetically unfavorable to add or remove 4 electrons to gain stability. It thus shares the electrons and forms covalent bonds.
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2014-12-16T21:48:37+05:30
Since carbon has 4 electrons in its outermost orbit, so it shares electrons and thus forms covalent bonds.
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