MCQ
Which of the following is a inert element
- A$Na$
- B$Fe$
- C$Li$
- ✓$He$
✓
Answer
Correct option: D.
$He$
d
Inert elements are chemically stable elements with stable fully filled outer electronic configuration and thus do not have the affinity to participate in a reaction. Example: helium $\left[1 s^2\right]$, neon $\left[1 s^2\, 2 s^2\, 2 p^6\right]$.
Inert elements are chemically stable elements with stable fully filled outer electronic configuration and thus do not have the affinity to participate in a reaction. Example: helium $\left[1 s^2\right]$, neon $\left[1 s^2\, 2 s^2\, 2 p^6\right]$.
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