cal.i.for.ni.um
n.Symbol Cf （名词）符号 Cf A synthetic element produced in trace quantities by helium isotope bombardment of curium. All isotopes are radioactive, chiefly by emission of alpha particles. Atomic number 98; mass numbers 244 to 254; half-lives varying from 25 minutes to 800 years.See table at element 锎：一种合成元素，由氦同位素轰击锔可得到微量的这种元素。所有同位素均是放射性元素，主要放射出α粒子。原子序数98；原子量244到254；半衰期从25分钟到800年不等参见 element
来源：After California 源自 California
