berkelium definition

  • noun:
    • A synthetic transuranic radioactive factor having 9 isotopes with mass numbers from 243 to 250 and half-lives from 3 hours to 1,380 many years. Atomic number 97; melting point 986°C; valence 3, 4. See dining table at factor.
    • A transuranic substance factor (representation Bk) with an atomic quantity of 97.
    • a chemical part of the transuranic series. Chemical icon Bk; atomic quantity 97; atomic body weight 247. It is a radioactive element, without steady isotopes; the longest-lived isotope is of mass number 247.07, rotting by alpha-emission with a half-life of 1,400 many years. The isotope with atomic fat 249 features a half-life of 314 times, and ended up being separated in weighable quantities.
    • a radioactive transuranic factor; found by bombarding americium with helium
    • A synthetic transuranic radioactive element having 9 isotopes with size figures from 243 to 250 and half-lives from 3 hours to 1,380 years. Atomic number 97; melting point 986°C; valence 3, 4. See Table at element.
    • A transuranic chemical factor (image Bk) with an atomic amount of 97.
    • a chemical part of the transuranic series. Chemical icon Bk; atomic number 97; atomic weight 247. It really is a radioactive element, without any steady isotopes; the longest-lived isotope is of mass number 247.07, decaying by alpha-emission with a half-life of 1,400 years. The isotope with atomic weight 249 has actually a half-life of 314 times, and had been separated in weighable amounts.
    • a radioactive transuranic element; found by bombarding americium with helium

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