Sodium

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by kmcdeavitt
Last updated 6 years ago

Discipline:
Science
Subject:
Chemical Elements
Grade:
10,11,12

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Sodium

Atomic Number: 7Atomic Mass: 18.998Melting Point: 97.8 CBoiling Point: 883 CNumber of Protons/Electrons: 11 Number of Neutrons: 12Classification: Alkali MetalColor: silver/white

SodiumSymbol: Na

HISTORY-Sodium was first isolated by British chemist Humphrey Davey in 1807.-He did this through the electolysis of NaOH.- This element was used in alchemy to attempt to create gold.

Atomic Structure

CHEMICAL PROPERTIES- Sodium is a reactive earth metal. It will react with water in an explosive way but will react with alcohols and other liquids as well.- Sodium is a solid at room temperature.

PHYSICAL PROPERTIES-Pure, recently cut Sodium is a silver color.-It will react with the air if exposed. This reaction leaves a coating of smokey gray sodium oxide atoms.

SOCIETAL APPLICATIONS- Sodium is the sixth most abundant element in the earth's crust.- It does not exist naturally as a pure substance.- We find it in table salt (NaCl), sodium carbonate, borax, etc.

Discoverer


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