Bohrium (Bh), element 107 – Learn Acer periodic table

Transition metal, atomic number 107.

Bohrium 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.

Symbol Bh. Atomic mass 270.0 u. Group 7, period 7. Electron configuration [Rn] 5f14 6d5 7s2. Electrons per shell 2, 8, 18, 32, 32, 13, 2. State at room temperature: Solid. Melting point unknown, boiling point unknown. Discovered by Gesellschaft für Schwerionenforschung.

Element data from Wikipedia, CC BY-SA 3.0.

Bohrium (Bh), element 107 – Learn Acer periodic table

Bohrium

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