Atomic Number 81

Atomic Number 81 is belong to element of Thallium.

Chemical symbol for Thallium is Tl. Number of protons in Thallium is 81. Atomic weight of Thallium is 204.38 u or g/mol.

81Tl

Atomic Number 81 Element Properties

Atomic Number (Z)81
Atomic SymbolTl
Element NameThallium
Group13
Period6
Atomic Weight204.38 u
Density11.85 g/cm3
Melting Point (K)577 K
Boiling Point (K)1746 K

List all properties of Thallium


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