Identify the least reactive element from the following.

1.	Identify the least reactive element from the following.
A.	\[_{8}^{16}X\]
B.	\[_{10}^{20}X\]
C.	\[_{11}^{23}X\]
D.	\[_{9}^{19}X\]
Answer» C. \[_{11}^{23}X\]

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Identify the least reactive element from the following.

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