Iridium
Iridium is one of the transition metals, the elements that occur in the middle of the periodic table. It is also classified as a member of the platinum group of metals, along with ruthenium, r...
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Iridium
Iridium, atomic number 77, is an extremely dense element belonging to the platinum group of metals. It has an atomic weight of 192.22 and is denoted by the atomic symbol Ir. At ordinary temper...
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Iridium
Symbol
Ir
Atomic Number
77
Atomic Mass
192.217
Family
Group 9 (Viiib) Transition Metal Platinum Group Pronunciation
i-RI-dee-um
Overview
Indium is in Group 9 (VIIIB) of the periodic table. Th...
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Iridium
Iridium
Iridium