Edexcel IGCSE Chemistry · Spec 2.1-2.4C
Group 1: The Alkali Metals
The properties, reactions and trends of the Group 1 alkali metals.
Chemistry revision video
Group 1: The Alkali Metals
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Spec 2.1-2.4C
What you need to know
- Describe the properties of the alkali metals
- Describe how they react with water
- Explain the trend in reactivity down the group
Active recall
Quick check
Answer each question before opening the answer.
How does reactivity change down Group 1, and why?
It increases down the group because the outer electron is further from the nucleus and is lost more easily.
What is formed when an alkali metal reacts with water?
A metal hydroxide (alkaline solution) plus hydrogen gas.
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