Answer:
Sodium is a chemical element with the symbol Na (from Latin "natrium") and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table.
Explanation:Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is ²³Na. The free metal does not occur in nature, and must be prepared from compounds.
Symbol: Na
Atomic number: 11
Atomic mass: 22.989769 u
Electron configuration: [Ne] 3s¹
Van der Waals radius: 227 pm
Melting point: 208°F (97.79°C)
