Positive ions - Flame Tests (Edexcel GCSE Chemistry): Flashcards
📚Flashcards
Practise the cards
11 cards from this deck
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Practise the cards
11 cards from this deck
Purpose of flame tests
Purpose of flame tests
Identify metal ions by flame colour
Flame colour of
Flame colour of
Crimson
Flame colour of
Flame colour of
Yellow
Flame colour of
Flame colour of
Lilac
Flame colour of
Flame colour of
Orange/red
Flame colour of
Flame colour of
Green
Effect of heat on electrons in flame test
Effect of heat on electrons in flame test
Excites electrons to higher energy levels
What electrons emit when falling back to original levels
What electrons emit when falling back to original levels
Light energy
Why each metal ion produces different flame colour
Why each metal ion produces different flame colour
Each emits light of unique wavelength
Practical use of flame tests
Practical use of flame tests
Pyrotechnics/fireworks
Role of metal ions in fireworks
Role of metal ions in fireworks
Create specific colours in displays