Iridium (Ir) - 77 on the Periodic Table | Periodic Table

Standard IUPAC: Iridium • Symbol: Ir • Atomic Mass: 192.217 u

Quick Factsheet: Iridium (symbol Ir, atomic number 77) is element 77 on the periodic table of elements. It has a standard atomic weight of 192.217 u and an electron configuration of [Xe] 6s2 4f14 5d7. On the periodic table, Iridium is classified in period 6 and group Main.

1. Periodic Table Position of Iridium (77 on the Periodic Table)

Element Iridium has atomic number Z = 77, meaning it contains 77 protons in its atomic nucleus and 77 electrons in its neutral state. On the standard periodic table of elements, Iridium is located in period 6 and group Main.

2. Electron Configuration & Oxidation States (Iridium Charges & Configuration)

Full Electron Configuration: [Xe] 6s2 4f14 5d7

Common Oxidation States (Charges): -3,-1,1,2,3c,4c,5,6,7,8

3. Physical Properties & Atomic Mass (Iridium Atomic Mass)

Element Iridium has a standard atomic weight of 192.217 u. Its melting point is 2739. K and boiling point is 4701. K. The Pauling electronegativity value is 2.20.

Comprehensive chemical properties and data for Iridium (Ir, Z=77).

Explore interactive 3D electron orbitals, isotopes, and properties on the periodic table: Open on Interactive Table 🚀

4. Related Elements in the Same Chemical Family

Sc (Z=21) Ti (Z=22) V (Z=23) Cr (Z=24) Mn (Z=25) Fe (Z=26)

5. Frequently Asked Questions about Iridium (FAQ)

What is the chemical symbol and atomic number of Iridium?

The chemical symbol of Iridium is Ir and its atomic number is 77.

What is the atomic mass and electron configuration of Iridium?

Iridium has a standard atomic mass of 192.217 u and ground-state electron configuration of [Xe] 6s2 4f14 5d7.

What periodic table group and period does Iridium belong to?

Iridium is located in period 6 and group Main on the periodic table of elements.

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