First artificially produced element, medical imaging.
Technetium is a transition element located in period 5, group 7 of the periodic table. It has the chemical symbol Tc and atomic number 43. The electron configuration of Technetium is [Kr] 4d5 5s2, giving it 9 valence electron(s).
Explore Technetium 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.