Osmium (Os) - 76 on the Periodic Table | Periodic Table

Standard IUPAC: Osmium • Symbol: Os • Atomic Mass: 190.23 u

Quick Factsheet: Osmium (symbol Os, atomic number 76) is element 76 on the periodic table of elements. It has a standard atomic weight of 190.23 u and an electron configuration of [Xe] 6s2 4f14 5d6. On the periodic table, Osmium is classified in period 6 and group Main.

1. Periodic Table Position of Osmium (76 on the Periodic Table)

Element Osmium has atomic number Z = 76, meaning it contains 76 protons in its atomic nucleus and 76 electrons in its neutral state. On the standard periodic table of elements, Osmium is located in period 6 and group Main.

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

Full Electron Configuration: [Xe] 6s2 4f14 5d6

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

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

Element Osmium has a standard atomic weight of 190.23 u. Its melting point is 3306. K and boiling point is 5285. K. The Pauling electronegativity value is 2.2.

Comprehensive chemical properties and data for Osmium (Os, Z=76).

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 Osmium (FAQ)

What is the chemical symbol and atomic number of Osmium?

The chemical symbol of Osmium is Os and its atomic number is 76.

What is the atomic mass and electron configuration of Osmium?

Osmium has a standard atomic mass of 190.23 u and ground-state electron configuration of [Xe] 6s2 4f14 5d6.

What periodic table group and period does Osmium belong to?

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

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