Toxic heavy metal, rechargeable Ni-Cd batteries.
Cadmium is a transition element located in period 5, group 12 of the periodic table. It has the chemical symbol Cd and atomic number 48. The electron configuration of Cadmium is [Kr] 4d10 5s2, giving it 2 valence electron(s).
Explore Cadmium 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.