Atomic Number 11     Atomic Mass 22.9897677     Density 0.97 g/mL

State solid      Color silvery white      Electronegativity 0.93

Melting Point 97.81°C     Boiling Point 882.9°C

Natural Isotope Na-23 100%

Abbreviated Electron Configuration [Ne] 3s¹

Discovered by Sir Humphrey Davy in 1807.