Thulium ek chemical element hae, jiske Chemical symbol Tm, atomic number 69 aur atomic mass 168.93 hae. Ii Lanthanide group ke ek member hae.

Atomic Structure
Symbol Tm
Atomic Number 69
Atomic Mass 168.93 g/mol
Periodic Table
Group 3
Row / Period 6
Element Category Transition dhaatu
Chhapa
Thulium ke electron shell
badlo