Lithium flame test

Lithium flame test

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Caption: Flame test. Filter paper soaked in a solution of a lithium salt, burning in the flame of a bunsen burner. 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.

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Keywords: analysis, analytical, bunsen burner, burning, chemical, chemicals, chemistry, combusting, combustion, demo, demonstration, education, emissions, emitting, energy states, experiment, flame, flame test, flames, intensity, lesson, lessons, light emission, lithium, practical, reaction, reactions, red, school, state, tests

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