Soft reactive metal, key component of common salt.
Sodium is a alkali-metal element located in period 3, group 1 of the periodic table. It has the chemical symbol Na and atomic number 11. The electron configuration of Sodium is 1s2 2s2 2p6 3s1, giving it 1 valence electron(s).
Explore Sodium in interactive 3D with the Soren Periodic Table. View Bohr model, quantum orbital model, nucleus inspector, and phase lab with temperature and pressure controls. Includes fun facts, real-world uses, and NCTB curriculum integration for Bangladeshi students.