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Q.

The atomic number of an element 'M' is 26. How many electrons are present in the M-shell of the element in its M3+ state ?

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a

11

b

15

c

14

d

13

answer is D.

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Detailed Solution

Fe(Z = 26) - 1s22s22p63s23p64s23d6Fe+3...1s22s22p63s23p63d5electrons in m-shell (n =3) are 13
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