Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Bohrium is a chemical element with the symbol Bh and atomic number 107 and is the heaviest member of group 7.It is a synthetic element whose most stable known isotope, 270Bh, has a half-life of 61 seconds. Chemical experiments have confirmed bohrium's predicted position as a heavier homologue to rhenium with the formation of a stable +7 oxidation state.

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