Ions

This lesson looks at why atoms react and how this can lead to the formation of ions. We also look at an example reaction in which ions are involved in a chemical bond.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which sub-atomic particle is not found in the nucleus?

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

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which sub-atomic particle is not found in the nucleus?

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

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Ions

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

Q1.Why do some atoms gain electrons?

1/8

Q2.Which group of elements on the periodic table are not reactive?

2/8

Q3.Revision - what charge does a proton have?

3/8

Q4.Revision - what charge does an electron have?

4/8

Q5.If an atom gains an electron, what charge ion will it form?

5/8

Q6.If an atom loses two electrons, what charge ion will it form?

6/8

Q7.What is the correct definition for an ion?

7/8

Q8.Revision - a magnesium atom contains 12 electrons. What is its electron configuration?

8/8

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Ions

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

Q1.Why do some atoms gain electrons?

1/8

Q2.Which group of elements on the periodic table are not reactive?

2/8

Q3.Revision - what charge does a proton have?

3/8

Q4.Revision - what charge does an electron have?

4/8

Q5.If an atom gains an electron, what charge ion will it form?

5/8

Q6.If an atom loses two electrons, what charge ion will it form?

6/8

Q7.What is the correct definition for an ion?

7/8

Q8.Revision - a magnesium atom contains 12 electrons. What is its electron configuration?

8/8

Lesson summary: Ions

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The next lesson in:
Reactivity
is:
Chemical formulae

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