107
Bh
270
Bohrium (Bh)
Element 107 · Period 7 · Group 7
transition-metal
solid at room temp
d-block
radioactive
synthetic
About Bohrium
Named after Niels Bohr. Superheavy element with millisecond half-life.
Physical Properties
Atomic Mass
270 u
State at 25°C
Solid
Density
37.1 g/cm³
Magnetism
Unknown
Atomic Properties
Electron Configuration
[Rn] 5f¹⁴ 6d⁵ 7s²
Electron Shells
2, 8, 18, 32, 32, 13, 2
Oxidation States
+7
Discovery & History
Discovered By
Peter Armbruster
Discovery Year
1981
Named By
IUPAC
Name origin: Niels Bohr
Frequently Asked Questions
- Is Bohrium a metal, nonmetal, or metalloid?
- Bohrium is classified as a transition-metal.
- What state is Bohrium in at room temperature?
- Bohrium is a solid at standard room temperature (25°C).
- What is the atomic mass of Bohrium?
- Bohrium has an atomic mass of 270 atomic mass units (u).
- Who discovered Bohrium?
- Bohrium was discovered by Peter Armbruster in 1981.
- Where is Bohrium on the periodic table?
- Bohrium is element number 107, located in period 7 and group 7.