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Element 11 - Sodium (Na) sound

Form soda; symbol Na, from its Latin name natrium; discovered 1807; sixth most abundant element. Metallic sodium is too violent for most everyday uses and is genrally stored in paraffin. But its useful compounds include table salt, baking soda, borax, and lye.

Properties

Atomic Number: 11
Atomic Weight: 22.98977
Electron Configuration (at ground state): 1s22s22p63s1
Oxidation States (Bold most stable): +1
Boiling Point (K): 1156
Melting Point (K): 371.0
Density (at 300K -- g/cm3): 0.97
Atomic Volume (at 300K -- cm3/mol) 23.70
Number of stable isotopes: 1
Mass Number (Bold naturally occurring) -- Half-Life -- Disintigration Type: 22 -- 2.602 years -- positron emission, orbital electron capture
24 -- 15.02 hours -- beta particle (electron) emission
Covalent Radius (Å): 1.54
Atomic Radius (Å): 1.90
First Ionization Potential (V): 5.139
Electronegativity (Pauling's): 0.93
Specific Heat Capacity (at 300K -- J g-1 K-1): 1.23
Heat of Vaporization (kJ/mol): 98.01
Heat of Fusion (kJ/mol): 2.601
Electrical Conductivity (at 293K for polycrystalline material -- 106 (ohms)-1 cm-1): 20.1
Thermal Conductivity (at 300K -- W m-1 K-1): 141
Crystal Structure: Cubic, body centered
Acid-Base Properties: Very basic