Group 1: The Alkali Metals (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why are alkali metals stored in oil?
Why are alkali metals stored in oil?
To prevent reaction with and moisture
What physical property do all Group 1 metals share regarding cutting?
What physical property do all Group 1 metals share regarding cutting?
Can be cut with a knife
Why do alkali metals look dull on the outside?
Why do alkali metals look dull on the outside?
Formation of an oxide layer
How many electrons do Group 1 metals have in their outer shell?
How many electrons do Group 1 metals have in their outer shell?
1 electron
Why does reactivity increase down Group 1?
Why does reactivity increase down Group 1?
Outer electron further from nucleus
What happens to melting point as you go down Group 1?
What happens to melting point as you go down Group 1?
It decreases
What happens to density as you go down Group 1?
What happens to density as you go down Group 1?
It increases
Why do most alkali metals float on water?
Why do most alkali metals float on water?
They have low density
What are the products when alkali metals react with water?
What are the products when alkali metals react with water?
Metal hydroxide + hydrogen
What observations occur when alkali metals react with water?
What observations occur when alkali metals react with water?
Float, move, and fizz
What colour does universal indicator turn when alkali metals react with water?
What colour does universal indicator turn when alkali metals react with water?
Purple
What colour flame does potassium produce when reacting with water?
What colour flame does potassium produce when reacting with water?
Lilac