A has atomic number 12 . Which of the following inert gas is nearest to \( \mathrm{A}^{\prime} \...

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A has atomic number 12 . Which of the following inert gas is nearest to \( \mathrm{A}^{\prime} \) ?
a. \( \operatorname{Ar} \)
b. \( \mathrm{He} \)
c. \( \mathrm{Ne} \)
d. \( \mathrm{Xe} \)
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