Named after Lise Meitner.
Meitnerium is a unknown element located in period 7, group 9 of the periodic table. It has the chemical symbol Mt and atomic number 109. The electron configuration of Meitnerium is [Rn] 5f14 6d7 7s2, giving it 11 valence electron(s).
Explore Meitnerium 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.