AQA Trilogy GCSE Science - Science

4. Group 1 - The alkali metals

Mission Objectives

Recognise trends of Group 1 in supplied data

Describe the reactions between the first three Group 1 metals and water, oxygen & chlorine

Explain the trend in reactivity as you go down Group 1

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Keywords

Words and meanings to learn

hydroxide

a compound containing the hydroxide ion (OH⁻); these are typically formed when a metal reacts with water or a base dissolves in water

oxide

a compound formed when an element reacts with oxygen; oxides can be either metallic or non-metallic

reaction

a process in which one or more substances (reactants) undergo a chemical change to form one or more new substances (products)

alkali metal

any of the elements found in Group 1 of the periodic table

vigorous

a reaction that occurs quickly and energetically, often producing significant heat, light, or gas

This lesson has been written by

Samantha Batch

Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders. 

Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.

In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!

Required Resources

Lithium, sodium, potassium, white tile, glass trough, scalpel, tweezers, universal indicator solution, paper towels and a safety screen.

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