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SODIUM (11Na22.989768)

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Element Description

The sixth most abundant element on earth, sodium is also abundant in the sun and stars. It is soft, silvery-white metal that appears wax-like at room temperatures and is brittle when cold. Sodium is extremely reactive and is always found in combination with other elements. Its properties can improve the structure of some alloys, purify molten metals, and descale certain metals. Sodium has excellent electrical conductivity and is an important heat transfer agent.

Property Name Property Value Property Name Property Value
Atomic Code (11Na22.989768) Heat of Fusion 27.05cal/g
CAS # 7440-23-5 Heat of Vaporization 1.127k-cal/g-atom
Atomic Volume 23.7W/D
Melting Point 97.72°C First Ionization Energy 119K-cal/g-mole
Boiling Point 883°C Electronegativity 0.9Pauling's
Density 0.968g/cm3 Covalent Radius 1.54Angstroms
Themal Conductivity 0.32cal/cm2/cm/s/°C Mohs Hardness @ 20°C 0.4
Specific Heat @ 25°C 0.295cal/g°C Critical Density 0.206g/cm3

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