JEE Main Chemistry question

The electrons in an incomplete outer shell are known as

(A)Kernel electrons
(B)Valency electronsCorrect
(C)Shell electrons
(D)None of the above

Answer: (B)

Solution

Electrons present in the outermost (incomplete) shell of an atom, which participate in bonding and determine valency, are known as valence (valency) electrons.

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Question ID VK-133414