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Worksheets

Quantum Number

Total questions: 19

Worksheet time: 11mins

Name
Class
Date
1.

There may be a maximum of ____ p orbitals at a given energy level.

a)

2

b)

6

c)

3

d)

8

2.

The principle quantum number, n, represents the:

a)

spin value

b)

suborbital value

c)

energy level

d)

magnetic value

3.

Orbital sublevels, or L, represents:

a)

orbital color

b)

orbital shape

c)

electron spin

d)

energy level

4.

Which of the following is NOT a possible pair of quantum numbers?

a)

2p

b)

2d

c)

4p

d)

4f

5.

What does the 1 in "1s" stand for?

a)

energy level

b)

s orbitals

c)

p orbitals

d)

the number of electrons

6.

What is the correct representation for an orbital which has an "n" value of 4 and an "L" value of 2?

a)

4d

b)

4s

c)

4f

d)

4p

7.
What is the correct representation for an orbital which has an "n" value of 3 and an "l" value of 1?  
a)
3s
b)
3p
c)
3d
d)
3f
8.
The major difference between a 1s orbital and a 2 s orbital is that
a)
the 2 s orbital is at a higher energy level.
b)
the 2s orbital has a slightly different shape.
c)
the 1 s orbital can have only one electron.
d)
the 2s orbital can hold more electrons.
9.

n=4, l=3?

a)

4f

b)

4d

c)

3s

d)

3p

10.

Which of the following sub levels does not exist

a)

2p

b)

3d

c)

2d

d)

5f

e)

4f

11.

What is the maximum number of electrons that contain the values

n=4 l=3

a)

2

b)

6

c)

10

d)

14

e)

18

12.

Write a set of quantum numbers for a 4d orbital.

a)

(4,1,0, -1/2)

b)

(4,2,-2, +1/2)

c)

(4,0,2,-1/2)

13.

Which set of Quantum numbers is not allowed

a)

(3,1,1,-1/2)

b)

(2,1,-2,+1/2)

c)

(4,2,-1,-1/2)

14.

2. A quantum number determining orbital orientation around the atom’s core is called... .

a)

n

b)

l

c)

m

d)

s

15.

4. Below are the examples on how to fill the atomic quantum number, except... .

a)

n = 2, l =1, m = 0, s = -1/2

b)

n = 1, l =3, m = 0, s = +1/2

c)

n = 3, l =1, m = 0, s = -1/2

d)

n = 3, l = 2, m = +2, l = +1/2

16.

12. A subshell that contains 5 orbitals is ... subshell.

a)

d

b)

s

c)

f

d)

p

17.

This shape is that of a/n:

a)

s orbital

b)

p orbital

c)

d orbital

d)

f orbital

18.

Properly pair the l-value is with the orbital shape.

a)

0; f

b)

1; s

c)

3; p

d)

2; d

19.

The first electron of any element is placed in this orbital

a)

4f

b)

2p

c)

3d

d)

1s