Atomic Number 69

Atomic Number 69 is belong to element of Thulium.

Chemical symbol for Thulium is Tm. Number of protons in Thulium is 69. Atomic weight of Thulium is 168.93422 u or g/mol.

69Tm

Atomic Number 69 Element Properties

Atomic Number (Z)69
Atomic SymbolTm
Element NameThulium
Group
Period6
Atomic Weight168.93422 u
Density9.321 g/cm3
Melting Point (K)1818 K
Boiling Point (K)2223 K

List all properties of Thulium


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