1) Which one of the following subshells (also called sublevels) has the lowest e

Question

1) Which one of the following subshells (also called sublevels) has the lowest energy?

(a) 3p (b) 4f (c) 3d (d) 4s

2) Which one of the following subshells (also called sublevels) has the lowest energy?

(a) 2p (b) 4f (c) 3d (d) 4p

3) Which one of the following subshells (also called sublevels) has the lowest energy?

(a) 3p (b) 4d (c) 3d (d) 4s

4) Which one of the following subshells (also called sublevels) has the lowest energy?

(a) 2p (b) 4d (c) 3s (d) 4s

5) Which one of the following subshells (also called sublevels) has the lowest energy?

(a) 3p (b) 2p (c) 3d (d) 4p

Explanation / Answer

1) 3P

2) 2P

3) 2P

4) 2P

to know the energy we should apply the n+l rule n = principle quantum number

l = azumatal quantum number

if two having same n+l we should go through least n number

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