SATHEE: The sBlock Elements - Result Question 36

The sBlock Elements - Result Question 36

####42. Electronic configuration of calcium atom can be written as

(a) $[N e], 4 p^{2}$

(b) $[A r], 4 s^{2}$

(d) $[K r], 4 p^{2}$

[1992]

Show Answer

Solution:

(b) $_{20} C a = 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} = [A r] 4 s^{2}$

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The sBlock Elements - Result Question 36

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