Question

Which of the following does not make sense

Answer 1

I think options are:-

(a)3d

(b)3f

(c)5p

(d)7s

And answer is:-

(b)3f

Explanation:-

f-sub-shell is not present in 3rd main shell.

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Answer 2

Answer:

assuming the options were a) 2d

b) 3d

c) 3f

d) 4s

option c) 3f does not exist.

Explanation:

An orbital is the area with the highest likelihood of containing electrons. There are various orbitals, including the s-, p-, d-, and f-orbitals.

The first shell has just one subshell, designated as 1s, and it can only hold two electrons. The remaining subshells, such as 1p and 1d, are impossible.

The second shell has two subshells, 2s and 2p, each of which may hold eight electrons. The remaining 2d sub-shells are incompatible.

The third shell has three subshells, which are designated as 3s, 3p, and 3d. There are 18 electrons that can fit in these three subshells. There are no other sub-shells 3f.

The fourth shell has four subshells, which are designated as 4s, 4p, 4d, and 4f. There are 32 electron slots available in these four subshells.

The energy of the shell as well as the amount of electrons that can fit into each orbital account for this. There are no orbitals like the 2d, 1d, and 3f orbitals.

therefor no such orbitals like 3f exist.

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