Which of the following inert gases does not have eight electrons

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Which of the following inert gases does not have eight electrons in the outermost orbit

Options

(a) Kr
(b) Ne
(c) He
(d) Ar

Correct Answer:

He

Explanation:

It has two electron in its outermost shell.

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Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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