Flame test on sodium

Flame test on sodium

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Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Flame test on sodium. Sodium compounds give a distinctive yellow colour when placed in a flame. Sodium (symbol Na) is a metallic element of group one of the periodic table. Flame tests are used to identify metal ions in a compound, as many metal ions show specific different colours. A paper roll is used to hold the sample in the flame, as it does not colour the flame itself.

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Keywords: analysis, bunsen burner, chemical, chemistry, colour, combustion, compound, diagnostic, experiment, fire, flame test, investigation, ions, laboratory, light, metal ion, orange, paper, reaction, sodium, substance, vertical, yellow

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