- 锕 錒 a1
- actinium (chemistry)
| strokes | 12 |
|---|---|
| radical | |
| strokes after radical | 7 |
- 锕系元素 錒系元素 a1 xi4 yuan2 su4
- actinoids (rare earth series), namely: actinium Ac89 錒|锕, thorium Th90 釷|钍, protoactinium Pa91 鏷|镤, uranium U92 鈾|铀, neptunium Ne93 鎿|镎, plutonium Pu94 鈈|钚, americium Am95 鎇|镅, curium Cm96 鋦|锔, berkelium Bk97 錇|锫, californium Cf98 鐦|锎, einsteinium Es99 鎄|