berkelium
berkelium汉语翻译
【化】 锫Bk
【医】 锫(97号元素)
berkelium词型变化
berkelium英语解释
名词 berkelium:
- a radioactive transuranic element; discovered by bombarding americium with helium同义词:Bk, atomic number 97
berkelium详细解释
ber.ke.li.um
n.Symbol Bk (名词)符号 Bk A synthetic transuranic radioactive element having 9 isotopes with mass numbers from 243 to 250 and half-lives from 3 hours to ,380 years. Atomic number 97; melting point 98'=C; valence 3, 4.See table at element 锫:一种人造的铀后放射元素,有9个大数字的同位素,从243到250,半衰期从3小时到,380年。原子序数为97;熔点98'=C;原子价3,4参见 element
来源:After Berkeley [California] 源自 Berkeley[加利福尼亚]