MCQ
Number of electrons in the outermost orbit of the element of atomic number $ 15 $ is
- A$1$
- B$3$
- ✓$5$
- D$7$
✓
Answer
Correct option: C.
$5$
c
(c) ${P_{15}} = 2,\,8,\,5$
(c) ${P_{15}} = 2,\,8,\,5$
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