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Edexcel IGCSE Chemistry 2.3 Predicting Alkali Metal Properties Questions

Practise Edexcel IGCSE Chemistry alkali metal properties by comparing potassium and caesium reactions with water and their reactivity trend.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • Compare potassium and caesium reactions with water, including fizzing, hydrogen and violence.

Edexcel IGCSE Chemistry 2.3 Predicting Alkali Metal Properties Questions question 1

[Maximum number: 2]

Lithium, sodium and potassium are the first three elements in Group 1 of the Periodic Table.

Caesium, Cs, is below potassium in Group 1.

Give a similarity and a difference between the reactions of potassium with water and caesium with water.

similarity

difference

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