← Periodic Table
107
d🧱
Bh
270.0000

Bohrium

Transition Metal

Atomic Properties

Atomic Number
107
Atomic Mass
270.0000 u
Electron Configuration
[Rn] 5f14 6d5 7s2
Electronegativity
Block
d-block
Group
7
Period
7

🌡 Physical Properties

Phase (STP)
solid
Melting Point
Boiling Point
Density
37.1000 g/cm³

About Bohrium

Named after Niels Bohr, pioneer of atomic structure.

🔬 Isotopes of Bohrium

Bohrium has 0 naturally occurring isotopes, plus 1 notable radioactive isotope.

IsotopeMass NumberAtomic Mass (u)AbundanceType
272Bh272272.13826Radioactive

Data source: NIH PubChem (aggregated from IUPAC, NIST)