Free Printable Quantum Numbers

1.

What is the maximum number of electrons that can be found in the n3 energy level

max number= 2n²

a)

3

b)

6

c)

8

d)

9

e)

18

2.

Which of the following sub levels correspond to n=3 l=2

l = 0–>n-1

a)

2p

b)

3s

c)

3p

d)

3d

e)

3f

3.

n=4, l=3?

a)

4f

b)

4d

c)

3s

d)

3p

4.

N=5 l=2

a)

3s

b)

4sp

c)

5d

d)

5p

5.

Which of the following sub levels does not exist

a)

2p

b)

3d

c)

2d

d)

5f

e)

4f

6.

How many unpaired electrons does an atom of chromium contain?

this can be tricky...

a)

2

b)

3

c)

4

d)

5

e)

6

7.

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

8.

How many paired electrons are in an atom of Chlorine?

draw the orbital diagram

a)

10

b)

12

c)

14

d)

16

e)

17

9.

How many orbitals contain the value n=5 l=1?

a)

1

b)

3

c)

5

d)

7

e)

9

10.

Which of the following elements is Paramagnetic?

look at the atomic numbers.

a)

Mg

b)

Ne

c)

P

d)

Ca

e)

Kr

11.

A paramagnetic atom is

a)

An atom with All paired electrons

b)

An atom with unpaired electrons

12.

An atom that is diamagnetic is

a)

An atom with all paired electrons

b)

An atom with unpaired electrons

13.

What is the maximum number of electrons numbers n=4 and ms= 1/2

Think 2n²

a)

8

b)

16

c)

24

d)

32

e)

64

Quantum Numbers

Total questions: 13

Worksheet time: 7mins

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