Group 1: The Alkali Metals (OCR GCSE Chemistry A (Gateway Science Suite)): 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 & moisture
What tool can be used to cut alkali metals?
What tool can be used to cut alkali metals?
A knife
Why do most alkali metals float on water?
Why do most alkali metals float on water?
They have low density
How many electrons do Group 1 metals have in their outer shell?
How many electrons do Group 1 metals have in their outer shell?
electron
Why does reactivity increase down Group 1?
Why does reactivity increase down Group 1?
Outer electron is further from nucleus
What happens to melting point down Group 1?
What happens to melting point down Group 1?
Decreases
What happens to density down Group 1?
What happens to density down Group 1?
Increases
What happens to boiling point down Group 1?
What happens to boiling point down Group 1?
Decreases
What is produced when an alkali metal reacts with oxygen?
What is produced when an alkali metal reacts with oxygen?
Metal oxide
What are the products when an alkali metal reacts with water?
What are the products when an alkali metal reacts 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 distinctive observation occurs when potassium reacts with water?
What distinctive observation occurs when potassium reacts with water?
Lilac flame