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Block of sodium metal

Block of sodium metal

C037/5868

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Credit

MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY

Caption

Block of the metal sodium, one of the chemical elements, in an opened petri dish. Sodium is a soft, highly-reactive alkali metal. At room temperature it oxidises in air and reacts violently with water, so it has to be covered with a film of oil. Sodium is never found in its natural state but as part of a compound. Sodium is the seventh-commonest element found in the Earth's crust, and also occurs widely in sea salt. Sodium compounds are used in a variety of industrial processes and are essential for living organisms. Sodium has the chemical symbol Na, an atomic number of 11 and an atomic weight of 23.

Release details

Model release not required. Property release not required.

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