berkelium /berke·li·um/ (Bk) (berk´le-um) a chemical element, at. no. 97.
berkelium (Bk)
ber·ke·li·um (b r-k  l-m, bûrkl-m)n. Symbol Bk A synthetic radioactive element. Its most stable isotope, Bk 247, has a half-life of 1,380 years. Atomic number 97. |
berkelium (Bk)
[burk′lē·əm]
Etymology: Berkeley, California
an artificial radioactive transuranic element. Its atomic number is 97; the atomic mass of its longest-lived isotope is 247.
berkelium
a chemical element, atomic number 97, atomic weight 247, symbol Bk. See Table 6.
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