1)What is the maximum number of electrons in an atom that can have the following

Question

1)What is the maximum number of electrons in an atom that can have the following quantum numbers?
Part A
     n = 3, ml = -2
Express your answer as an integer. Number of electrons =
Part B
     n = 4, l = 3
Express your answer as an integer. Number of electrons =
Part C
n = 5, l = 3, ml = 2
Express your answer as an integer. Number of electrons =
Part D
     n = 4, l = 1, ml = 0
Express your answer as an integer. Number of electrons =


2)Which of the following set of quantum numbers (ordered n, , m, ms) are possible for an electron in an atom?
Check all that apply.

3)Identify which sets of quantum numbers are valid for an electron. Each set is ordered (n,,m,ms).

Check all that apply.

2, 4, 1, -1/2 3, 2, 2, -1/2 5, 2, 1, -1/2 3, 2, 0, -1/2 4, 3, -4, -1/2 -4, 3, 1, 1/2 2, 1, 3, 1/2 2, 1, 0, -1

Explanation / Answer

1. part-A

n= 3   ml = -2

3dx2-y2    = 2 electrons

part-B

n= 4 l= 3

4f   

14 electron are present in f subenergy level = 2(2l+1)

part-C

n= 5 l= 3 ml=2

2 electrons

each ml value indicate one orbital. Each orbital contains two electrons.

part-D

n = 4, l = 1, ml = 0

4py   two electrons

2.

3, 2, 2, -1/2

5, 2, 1, -1/2

3, 2, 0, -1/2

3)

3,2,2,1/2

4,3,2,1/2

1,0,0,-1/2

3,1,-1,1/2

2,1,-1,-1/2

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