Quantum Numbers Worksheets





Quantum numbers

Quantum number is used to describe conserved quantities value in the dynamics of the quantum system. Each electron consists of a set of four members, called quantum, numbers.

In this article you can find some questions and answers related to quantum numbers.

Worksheet Questions:

1. Which set of quantum numbers cannot be permitted here?

n l m s

(a) 2 1 0 -1/2

(b) 2 1 2 0

(c) 3 2 -1 +1/2

(d) 3 2 -2 +1/2

2. For an electron present in any 4d orbital the values of n, l will be respectively?

(a) 3, 2

(b) 4, 1

(c) 4, 2

(d) 4, 0

3. Which quantum numbers can be explained by Schrodinger waver equation?

(a) n, l

(b) n, l, m

(c) n, l, m, s

(d) n, l, s

4. the values of n, l, m for the last 2p electron in N-atom will be:

n l m

(a) 2 1 0

(b) 2 1 1

(c) 2 0 0

(d) 2 0 0

5. For n = 3 and l = 2 the total value of m will be respectively:

(a) 4, 9

(b) 5, 9

(c) 9, 5

(d) 7, 5

6. If n = 4, l = 3 the orbital may be?

(a) 4d

(b) 4p

(c) 4s

(d) 4f

 

Worksheet Answers:

1. (b)      2. (c)      3. (b)       4. (b)      5. (c)       6. (d)



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