1.

Which of the following is isoelectronic with carbon atom [MP PMT 1994; UPSEAT 2000]

A.        \[N{{a}^{+}}\]   
B.        \[A{{l}^{3+}}\]
C.        \[{{O}^{2-}}\]    
D.        \[{{N}^{+}}\]
Answer» E.


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