Sulphur flame test

Sulphur flame test

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Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Sulphur flame test. Sulphur burning in air, producing a blue flame. The colour of the flame is caused by electrons that have been excited to a higher energy state. When they relax they emit energy in the form of a characteristic wavelength of light. The colour of the flame is different for different elements and can be used to identify unknown substances (flame test).

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Keywords: analysis, analytical, blue, burning, chemical, chemistry, combusting, combustion, emitting, energy states, experiment, flame test, laboratory, light emission, one, reaction, single, state, sulfur, sulphur

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