MCQ
The noble gas having only two electrons in its valence shell is :
- A$\ce{Ar}$
- B$\ce{Ne}$
- ✓$\ce{He}$
- D$\ce{Kr}$
✓
Answer
Correct option: C.
$\ce{He}$
Atomic number of helium is $2$. It contains $2$ electrons in its atom.
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