69 Tm Thulium 168,93 u

Thulium

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Periode
6
Gruppe
Block
f-Block
Phase (STP)
Solid

Thulium is the least abundant lanthanide in Earth's crust. It is used in portable X-ray devices and solid-state lasers.

Physikalische Eigenschaften

Atommasse 168.93 u
Phase bei STP Solid

Elektronische Eigenschaften

Elektronegativität 1.25

Elektronenkonfiguration

Konfiguration [Xe] 4f¹³ 6s²

Electron Shell Configuration

Thulium electron shell configuration Tm 2e⁻ 8e⁻ 18e⁻ 31e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Thulium position in the periodic table Tm

Periodensystem

Lanthanide Actinide

Mehr Lanthanoid

Frequently Asked Questions

What is Thulium?
Thulium (Tm) is a chemical element with atomic number 69. It is a solid at standard temperature and pressure, classified as a lanthanoid.
What are the key properties of Thulium?
Thulium has an atomic mass of 168.93 u.
What is the electron configuration of Thulium?
The electron configuration of Thulium is [Xe] 4f13 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Thulium?
Thulium has an electronegativity of 1.25 on the Pauling scale.