1.

If the atomic number of element \[X\] is 7, the best electron dot symbol for the element is             [NCERT 1973; CPMT 2003]

A.                 \[X\,\,.\]             
B.                 \[.\,\,X\,\,.\]
C.                 \[.\,\,\underset{.}{\overset{.}{\mathop{X}}}\,\,\,:\]      
D.                 \[:\,\,\underset{.\,.}{\overset{.\,.}{\mathop{X}}}\,\,\,.\]
Answer» D.                 \[:\,\,\underset{.\,.}{\overset{.\,.}{\mathop{X}}}\,\,\,.\]


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