76 Os Osmium 190.23 u

Osmium

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Period
6
Group
8
Block
d-block
Phase (STP)
Solid

Osmium is the densest naturally occurring element. It is used in fountain pen nibs, electrical contacts, and as a staining agent in microscopy.

Physical Properties

Atomic Mass 190.23 u
Phase at STP Solid

Electronic Properties

Electronegativity 2.2

Electron Configuration

Configuration [Xe] 4f¹⁴ 5d⁶ 6s²

Electron Shell Configuration

Osmium electron shell configuration Os 2e⁻ 8e⁻ 18e⁻ 32e⁻ 14e⁻ 2e⁻

Position in Periodic Table

Osmium position in the periodic table Os

Periodic Table

Lanthanides Actinides

Compounds Containing Osmium

More Transition Metal

Frequently Asked Questions

What is Osmium?
Osmium (Os) is a chemical element with atomic number 76. It is a solid at standard temperature and pressure, classified as a transition metal.
What are the key properties of Osmium?
Osmium has an atomic mass of 190.23 u.
What is the electron configuration of Osmium?
The electron configuration of Osmium is [Xe] 4f14 5d6 6s2. It is in the d-block of the periodic table.
What is the electronegativity of Osmium?
Osmium has an electronegativity of 2.2 on the Pauling scale.