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Question

Silicon has 4 electrons in its outer most orbit. In forming the bond:

A
it gains electrons
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B
it loses electrons
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C
it shares electrons
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D
none of the above
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Solution

The correct option is C it shares electrons
Silicon has 4 electrons in its outer most orbital in forming the bond:-
Si =1s22s22p63s23p2
It has 4 electrons in its outermost shell and need 4 more to complete its octet and become stable. Thus, Silicon atoms form 4 covalent bonds with 4 neighboring atom. In each covalent bonding 1 electron is shared by 2 atoms.
Hence silicon share its electrons.

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