We Use Cookies
We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. For more information, please review our cookie policy and privacy policy.
By choosing I Accept, you consent to our use of cookies and other tracking technologies.

Bohrium (Bh)

From Wikipedia, the free encyclopediaBohrium is a chemical element with symbol Bh and atomic number 107. It is named after Danish physicist Niels Bohr. 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, 270Bh, has a half-life of approximately 61 seconds.

Bohrium in the periodic table

Atomic number107
Element categoryTransition Metal

Physical properties

Phase at STPSolid
Density37.1 g/cm3
Atomic weight270 u
Melting point-
Boiling point K

Atomic properties

Electronegativity (Pauling Scale)
Electron affinity kJ/mol
Oxidation states(+3), (+4), (+5), +7
(parenthesized: prediction)
Ionization energies
1742.9 kJ/mol
21688.5 kJ/mol
32566.5 kJ/mol
43598.9 kJ/mol
54727.8 kJ/mol
65991.7 kJ/mol
77226.8 kJ/mol

Electron configuration

Elektronkonfiguration (shorthand)[Rn] 5f14 6d5 7s2
Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d5 7s2
Electrons per shell2, 8, 18, 32, 32, 13, 2


Discovered byGesellschaft für Schwerionenforschung
Warning: Undefined variable $footer in /customers/a/d/1/periodictable.one/httpd.www/inc/footer.php on line 34