Which of the following is covalent ?

1.	Which of the following is covalent ?
Answer» NaCl KCl `BeCl_(2)` `HgCl_(2)` Solution :Among `Na^(+) , K^(+) , Be^(2+)` and `MG^(2+) , Be^(2+)` has the SMALLEST size and is also most ELECTRONEGATIVE . THEREFORE , `BeCl_(2)` is covalent .

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