English Isotopes of bohrium Cited by user Nergaal on 03 Apr 2011 Bohrium (Bh) is an artificial element (atomic number 107), and thus a standard atomic mass cannot be given.
English Bohrium Cited by user Materialscientist on 03 Sep 2009 Bohrium is a chemical element with symbol Bh and atomic number 107. It is named after Danish physicist Niels Bohr.