# Electron configuration

This lesson looks at how to calculate the number of subatomic particles in an atom and how to draw and write the electron configuration for atoms.

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Electron Configuration

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

1/6

Q2.What does the atomic number of an element tell us?

2/6

Q3.How can we work out the number of neutrons in an atom?

3/6

Q4.What does the group number of an element tell us?

4/6

Q5.What is the maximum number of electrons that can fit in the first electron shell (shell 1)?

5/6

Q6.What is the maximum number of electrons that can fit in the second electron shell (shell 2)?

6/6

Quiz:

# Electron Configuration

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

1/6

Q2.What does the atomic number of an element tell us?

2/6

Q3.How can we work out the number of neutrons in an atom?

3/6

Q4.What does the group number of an element tell us?

4/6

Q5.What is the maximum number of electrons that can fit in the first electron shell (shell 1)?

5/6

Q6.What is the maximum number of electrons that can fit in the second electron shell (shell 2)?

6/6

# Lesson summary: Electron configuration

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance