108
Hs
277
Hassium (Hs)
Element 108 · Period 7 · Group 8
transition-metal
solid at room temp
d-block
radioactive
synthetic
About Hassium
Superheavy element. Only a few atoms ever produced. Named after German state Hesse.
Physical Properties
Atomic Mass
277 u
State at 25°C
Solid
Density
40.7 g/cm³
Magnetism
Unknown
Atomic Properties
Electron Configuration
[Rn] 5f¹⁴ 6d⁶ 7s²
Electron Shells
2, 8, 18, 32, 32, 14, 2
Oxidation States
+8
Discovery & History
Discovered By
Peter Armbruster
Discovery Year
1984
Named By
IUPAC
Name origin: Latin: Hassia (Hesse, Germany)
Frequently Asked Questions
- Is Hassium a metal, nonmetal, or metalloid?
- Hassium is classified as a transition-metal.
- What state is Hassium in at room temperature?
- Hassium is a solid at standard room temperature (25°C).
- What is the atomic mass of Hassium?
- Hassium has an atomic mass of 277 atomic mass units (u).
- Who discovered Hassium?
- Hassium was discovered by Peter Armbruster in 1984.
- Where is Hassium on the periodic table?
- Hassium is element number 108, located in period 7 and group 8.