An element has an atomic number 20. How many electrons will be present in \[K,\,\,L,\,\,M\] and \[N\] shells of its atom?

An element has an atomic number 20. How many electrons will be present

1.	An element has an atomic number 20. How many electrons will be present in \[K,\,\,L,\,\,M\] and \[N\] shells of its atom?
A.	\[2,\,\,8,\,\,6,\,\,4\]
B.	\[2,\,\,8,\,\,7,\,\,3\]
C.	\[3,\,\,7,\,\,7,\,\,3\]
D.	\[2,\,\,8,\,\,8,\,\,2\]
Answer» E.

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An element has an atomic number 20. How many electrons will be present in \[K,\,\,L,\,\,M\] and \[N\] shells of its atom?

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