MCQ
Which metal has $2$ electrons in the outermost orbit
- A$Na$
- B$Cu$
- C$Au$
- ✓$Be$
✓
Answer
Correct option: D.
$Be$
d
$(d)$ $Be\,\,:\,\,\,1{s^2}\,2{s^2}$
$(d)$ $Be\,\,:\,\,\,1{s^2}\,2{s^2}$
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