MCQ
Ions which have the same electronic configuration are those of
- ALithium and sodium
- BSodium and potassium
- ✓Potassium and calcium
- DOxygen and chlorine
✓
Answer
Correct option: C.
Potassium and calcium
c
(c) ${K^ + }$ and $C{a^{ + + }}$ have the same electronic configuration
(c) ${K^ + }$ and $C{a^{ + + }}$ have the same electronic configuration
$(1{s^2},\,2{s^2}\,2{p^6},\,3{s^2}3{p^6})$
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