锕 系 元 素

āxìyuánsù

actinoids (rare earth series), namely: actinium Ac89 锕 (ā), thorium Th90 钍 (tǔ), protoactinium Pa91 镤 (pú), uranium U92 铀 (yóu), neptunium Ne93 镎 (ná), plutonium Pu94 钚 (bù), americium Am95 镅 (méi), curium Cm96 锔 (jú), berkelium Bk97 锫 (péi), californium Cf98 锎 (kāi), einsteinium Es99 锿 (āi), fermium Fm100 镄 (fèi), mendelevium Md101 钔 (mén), nobelium No102 锘 (nuò), lawrencium Lr103 铹 (láo)

Traditional 錒系元素

Meaning

āxìyuánsùa1 xi4 yuan2 su4

actinoids (rare earth series), namely: actinium Ac89 锕 ā, thorium Th90 钍 tǔ, protoactinium Pa91 镤 pú, uranium U92 铀 yóu, neptunium Ne93 镎 ná, plutonium Pu94 钚 bù, americium Am95 镅 méi, curium Cm96 锔 jú, berkelium Bk97 锫 péi, californium Cf98 锎 kāi, einsteinium Es99 锿 āi, fermium Fm100 镄 fèi, mendelevium Md101 钔 mén, nobelium No102 锘 nuò, lawrencium Lr103 铹 láo