Positive ions - Flame Tests (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the purpose of flame tests?
What is the purpose of flame tests?
To identify metal ions by flame colour
What colour flame does lithium produce in a flame test?
What colour flame does lithium produce in a flame test?
Crimson
Which metal ion produces a yellow flame?
Which metal ion produces a yellow flame?
Sodium
What colour flame does potassium produce?
What colour flame does potassium produce?
Lilac
Which metal ion produces an orange/red flame?
Which metal ion produces an orange/red flame?
Calcium
What colour flame does copper produce in a flame test?
What colour flame does copper produce in a flame test?
Green
What happens to electrons in metal ions when heated in a flame?
What happens to electrons in metal ions when heated in a flame?
They jump to higher energy levels
What do electrons release when they fall back to their original energy levels?
What do electrons release when they fall back to their original energy levels?
Energy in the form of light
Why does each metal ion produce a different flame colour?
Why does each metal ion produce a different flame colour?
Each has a unique wavelength of light
How are flame tests used in pyrotechnics?
How are flame tests used in pyrotechnics?
Metal ions create specific colours in fireworks