Q. 105.0( 5 Votes )

Which of the following is the outermost shell for elements of period 2?
A. K shell

B. L shell

C. M shell

D. N shell

Answer :

Periods show the number of outermost shell of any element. Since period 2 has two shells (2s and 2p orbitals), the outermost shell is L shell. The second period contains the elements such as lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon.

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