Periodic table / Hassium

Overview

Hassium is a chemical element with symbol Hs and atomic number 108, named after the German state of Hesse. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, 269Hs, has a half-life of approximately 9.7 seconds, although an unconfirmed metastable state, 277mHs, may have a longer half-life of about 130 seconds. More than 100 atoms of hassium have been synthesized to date.

Electron configuration

The electron configuration of Hassium is *[Rn] 5f14 6d6 7s2, with electron shells of 2, 8, 18, 32, 32, 14, 2.

Physical and chemical properties

Hassium is classified as a transition metal. It has an atomic mass of 269 and exists as a solid at standard conditions.

Real-world uses of Hassium

As a transition metal, Hassium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.

Interesting facts about Hassium

• Hassium has the atomic number 108 and chemical symbol Hs.
• It belongs to period 7, group 8 of the periodic table.
• Hassium was discovered by Gesellschaft für Schwerionenforschung.

Explore Hassium interactively

Want to compare Hassium with other elements or see it highlighted on the full table? Open the interactive periodic table and click on Hs to explore properties, trends, and neighboring elements. You can also test your knowledge with our periodic table quiz game.