1.

An atom of an element A has three electrons in its outermost shell and that of B has six electrons in the outermost shell. The formula of the compound between these two will be            [CPMT 1974, 84; RPMT 1999]

A.                 \[{{A}_{3}}{{B}_{4}}\]    
B.                 \[{{A}_{2}}{{B}_{3}}\]
C.                 \[{{A}_{3}}{{B}_{2}}\]    
D.                 \[{{A}_{2}}{{B}_{3}}\]
Answer» C.                 \[{{A}_{3}}{{B}_{2}}\]    


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