Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Electron Test

Total questions: 20

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

Identify the element with the following electron configuration: 1s²2s²2p⁶.

a)

Be

b)

Si

c)

C

d)

Ne

2.

Identify the total amount of electrons in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

a)

5

b)

11

c)

15

3.

Identify the number of valence electrons in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

a)

3

b)

5

c)

11

d)

15

4.

Identify the number of energy levels in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

a)

1

b)

2

c)

3

d)

5

5.

Match the Heisenberg uncertainty principle with its correct definition.

a)

It is impossible to determine the location and speed of an electron or other particle simultaneously.

b)

No two electrons in the same atom will have the same set of quantum numbers.

c)

Electrons will fill the lowest energy orbital first.

d)

Orbitals of equal energy will each get one electron before any orbital gets a second.

6.

Match Hund’s rule with its correct definition.

a)

It is impossible to determine the location and speed of an electron or other particle simultaneously.

b)

No two electrons in the same atom will have the same set of quantum numbers.

c)

Electrons will fill the lowest energy orbital first.

d)

Orbitals of equal energy will each get one electron before any orbital gets a second.

7.

Match the Aufbau principle with its correct definition.

a)

It is impossible to determine the location and speed of an electron or other particle simultaneously.

b)

No two electrons in the same atom will have the same set of quantum numbers.

c)

Electrons will fill the lowest energy orbital first.

d)

Orbitals of equal energy will each get one electron before any orbital gets a second.

8.

Match the Octet rule with its correct definition.

a)

It is impossible to determine the location and speed of an electron or other particle simultaneously.

b)

No two electrons in the same atom will have the same set of quantum numbers.

c)

Electrons will fill the lowest energy orbital first.

d)

The tendency of atoms to prefer to have eight valence electrons.

9.

Match the Pauli exclusion principle with its correct definition.

a)

It is impossible to determine the location and speed of an electron or other particle simultaneously.

b)

No two electrons in the same atom will have the same set of quantum numbers.

c)

Electrons will fill the lowest energy orbital first.

d)

Orbitals of equal energy will each get one electron before any orbital gets a second.

10.

Which of the following has the greater frequency?

a)

Yellow light

b)

Blue light

11.

Which of the following has the greater frequency.

a)

X-rays

b)

Gamma rays

12.

Which of the following has the longer wavelength.

a)

Microwaves

b)

Radio waves

13.

Which of the following has the longer wavelength.

a)

Infrared waves

b)

Red light

14.

Which of the following has the longer wavelength.

a)

Red light

b)

Green light

15.

Which of the following has more energy.

a)

Green light

b)

Yellow light

16.

Which of the following has more energy.

a)

Orange light

b)

Blue light

17.

Which of the following has more energy.

a)

Violet light

b)

Red light

18.

What is the electron configuration of Calcium (Ca)?

a)

1s²2s²2p⁶3s²3p⁶4s²

b)

1s²2s²2p⁶3s²3p⁶3d²

c)

1s²2s²2p⁶3s²3p⁵

d)

1s²2s²2p⁶3s²3p³

19.

Draw the electron dot diagram for carbon (C).

20.

What is the relationship between wavelength and frequency?

a)

As wavelength increases, so does frequency.

b)

They are directly related.

c)

They are inversely related.

d)

There is no relationship between wavelength and frequency.