• Atomic number: 11
• Relative atomic mass - Ar: 22.99
• Melting Point (°C): 97.7
• Boiling Point (°C): 883
• Density (kg/L): 0.968
• Electronegativity (Pauling): 0.93
• Electron configuration: [Ne]3s¹

Experiments:

• Chemical Stalagmite
• Supersaturated Thiosulphate