SATHEE: Atomic Structure Question 461

Atomic Structure Question 461

Question: Which among the following species have the same number of electrons in its outermost as well as penultimate shell

Options:

A) $M g^{2 +}$

B) $O^{2 -}$

C) $F^{-}$

D) $C a^{2 +}$

Show Answer

Answer:

Correct Answer: D

Solution:

$_{20} C a = 2, 8, 8, 2$ $C a^{2 +} =$ 2, 8, 8

Hence, $C a^{2 +}$ has 8 electrons each in outermost and penultimate shell.

Atomic Structure Question 460

Atomic Structure Question 462

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Atomic Structure Question 461

Question: Which among the following species have the same number of electrons in its outermost as well as penultimate shell

Options:

Answer:

Solution:

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