Bohrium's atomic number is 107 and its symbol is Bh. As a synthetic element, it can be created in a laboratory but is not found in nature. All known isotopes of bohrium are extremely radioactive; the most stable known isotope is 270Bh with a half-life of approximately 61 seconds
It is named after Danish physicist Niels Bohr. Very few properties of bohrium or its compounds have been measured; this is due to its extremely limited and expensive production, and the fact that bohrium decays very quickly. A few singular chemistry-related properties have been measured, but properties of bohrium metal remain unknown and only predictions are available.
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