bohrium

[bawr-ee-uhm]

noun

Chemistry, Physics.

1. a superheavy, synthetic, radioactive element with a very short half-life. Bh; 107.

bohrium

/ ˈbɔːrɪəm /

noun

1. Former names: element 107.  unnilseptium. a transuranic element artificially produced in minute quantities by bombarding ²⁰⁴ Bi atoms with ⁵⁴ Cr nuclei. Symbol: Bh; atomic no: 107

bohrium

1. A synthetic, radioactive element that is produced by bombarding bismuth with chromium ions. Its most long-lived isotopes have mass numbers of 261, 262, and 264 with half-lives of 11.8 milliseconds, 0.1 second, and 0.44 second, respectively. Atomic number 107.

2. See Periodic Table

Word History and Origins

Origin of bohrium¹

First recorded in 1970–75; officially assigned to element 107 in 1997; named after Danish physicist Niels Bohr ; -ium ( def. )

Word History and Origins

Origin of bohrium¹

C20: after Neils _Bohr

Example Sentences

Many are named after great scientists: einsteinium, curium, fermium, mendelevium, bohrium and rutherfordium.

Read more on BBC

Read more Odd-Z transactinide compound nucleus reactions including the discovery of bohrium-260 My PhD research was on studying pairs of heavy-element reactions to see if there was a better way to make these isotopes.

Read more on Science Magazine