MCQ
Minimum first ionisation energy is shown by which electronic configuration
- A$1s^2, 2s^2, 2p^5$
- B$1s^2, 2s^2, 2p^6, 3s^2, 3p^1$
- ✓$1s^2, 2s^2, 2p^6, 3s^1$
- D$1s^2, 2s^2, 2p^6$
✓
Answer
Correct option: C.
$1s^2, 2s^2, 2p^6, 3s^1$
c
Alkali metals have lowest $I.E.$
Alkali metals have lowest $I.E.$
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