1.

If the electronic configuration of \[M=2,\,\,8,\,\,3\] and that of \[A=2,\,\,8,\,\,7,\] the formula of the compound is [Bihar MEE 1996]

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


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