Atomic Number 77

Atomic Number 77 is belong to element of Iridium.

Chemical symbol for Iridium is Ir. Number of protons in Iridium is 77. Atomic weight of Iridium is 192.217 u or g/mol.

77Ir

Atomic Number 77 Element Properties

Atomic Number (Z)77
Atomic SymbolIr
Element NameIridium
Group9
Period6
Atomic Weight192.217 u
Density22.56 g/cm3
Melting Point (K)2719 K
Boiling Point (K)4701 K

List all properties of Iridium


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