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wood prints potassium wood prints metal wood prints element wood prints flame wood prints chemical wood prints laboratory wood prints burning wood prints reacting wood prints physics wood prints chemistry wood prints lilac wood prints blue wood prints one wood prints single wood prints combustion wood prints

photographs potassium photos metal photos element photos flame photos chemical photos laboratory photos burning photos reacting photos physics photos chemistry photos lilac photos blue photos one photos single photos combustion photos

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Flame test for potassium. A compound containing the element potassium (symbol K) produces a characteristic lilac flame when heated in a bunsen burner. This colour is produced when potassium electrons give off extra energy as a specific type of radiation (in this case it is visible light but it can be radio waves or gamma rays). This distinct energy release is known as an emission spectrum. Each element has its own emission spectrum, which allows it to be identified in different materials.

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