The number of electrons in the M-shell of the element with atomic number 24 is :-
A. 24. B. 12. C. 8. D.13

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Solution

Electronic configuration of Atomic number 24:

1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹

M-shell is third shell, i.e. n = 3
Number of electrons in third shell are 2+6+5 = 13

Answer is (d). 13

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The number of electrons in the M-shell of the element with atomic number 24 is :- A. 24. B. 12. C. 8. D.13

Electronic configuration of Atomic number 24: 1s2 2s2 2p6 3s2 3p6 3d5 4s1 M-shell is third shell, i.e. n = 3 Number of electrons in third shell are 2+6+5 = 13 Answer is (d). 13

The number of electrons in the M-shell of the element with atomic number 24 is :-
A. 24. B. 12. C. 8. D.13

Electronic configuration of Atomic number 24:

1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹

M-shell is third shell, i.e. n = 3
Number of electrons in third shell are 2+6+5 = 13

Answer is (d). 13