Question:
The atomic number of an element $M$ is $26$. How many electrons are present in the M-shell of the element in its $M^{3+}$ state
The atomic number of an element $M$ is $26$. How many electrons are present in the M-shell of the element in its $M^{3+}$ state
Updated On: Jul 7, 2022
- 11
- 15
- 14
- 13
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The Correct Option is D
Solution and Explanation
$M(Z = 26): 1s^2 2s^1 2p^6 3s^2 3p^6 4s^2 3d^6$
$M^{3+} : 1s^2 2s^2 2p^6 3s^2 3p^6 3d^5$
Mth shell means $n = 3$ i.e., $3$rd shell. In $M^{3+}$,
$3$rd shell has $13$ electrons.
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