Flame Tests (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards

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Flame Tests
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Purpose of flame tests

Identify metal ions based on flame colour

Flame colour of lithium (Li+Li^+)

Crimson

Flame colour of sodium (Na+Na^+)

Yellow

Flame colour of potassium (K+K^+)

Lilac

Flame colour of calcium (Ca2+Ca^{2+})

Orange/red

Flame colour of copper (Cu2+Cu^{2+})

Green

Effect of flame energy on metal ion electrons

Excites them to higher energy levels

What excited electrons release when falling back

Energy in the form of light

Why each metal ion produces a different flame colour

Specific wavelength of light is unique to each metal ion

Practical application of flame colours

Pyrotechnics (fireworks)

What allows identification of metal ions in flame tests

The distinctive colour produced

What happens when metal ion compound is heated in flame

Metal ion gives off a colour

Explore OCR GCSE Chemistry A (Gateway Science Suite) Revision Notes by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Explore OCR GCSE Chemistry A (Gateway Science Suite) Model Answers by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Explore OCR GCSE Chemistry A (Gateway Science Suite) Quizzes by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

Explore OCR GCSE Chemistry A (Gateway Science Suite) Exam Questions by Topics

Purity, Formulations & Chromatography

Identification of Common Gases

Methods of Identifying Ions

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