A superactinide is any one of 32 hypothetical chemical elements from atomic numbers 121 (unbiunium) through 153 (unpenttrium), at which the 5g and 6f electron shells are filled up. They may be referred to using IUPAC systematic element names.
网络释义
1、超锕系元素
锕系元素核 actinoid nuclei 超锕系元素 superactinide ; transactinide element ; Superactinide series ; Superactinoid 锕系元素收缩 actinoid contraction ..