Sodium

Sodium is a chemical element, in the periodic table that has the symbol Na (from Natrium) and atom number 11.

• Symbol: Na
• Group: Alkali metal
• Crystal Structure: Cubicbody centered
• Atomic number: 11
• Atomic weight: 22.98977
• Shells: 2,8,1
• Filling orbital: 3s¹
• Melting point: 97.8°C
• Boiling point: 882.9°C
• Electronegativity: 0.93
• Covalent radius: 1.54 Å
• Atomic radius: 2.23 Å
• Atomic volume: 23.7 cm³/mol
• First ionization potential: 5.139 V
• 2nd ionization potential: 47.286 V
• 3rd ionization potential: 71.641 V
• Oxidation states: 1
• Density at 293 K: 0.971 g/cm³
• Specific heat: 1.23 J/gK
• Heat of vaporization: 96.960 kJ/mol
• Heat of fusion: 2.598 kJ/mol
• Electrical conductivity: 0.139 10⁶/cm ohm
• Thermal conductivity: 1.41 W/cmK

Isotopes

Sodium has two radioactive cosmogenic isotopes (²²Na, half-life = 2.605 years; ²⁴Na, half-life = ~ 15 hours)

External Link:
Los Alamos National Laboratory - Sodium