English Samarium Cited by user Praseodymium-141 on 27 Mar 2023 Samarium is a chemical element with symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air.
English Samarium Cited by user Praseodymium-141 on 27 Mar 2023 Samarium is a chemical element with symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air.
Chinese 钐化合物 Cited by user Praseodymium-141 on 23 Aug 2022 钐化合物是镧系金属钐(元素符号:Sm)形成的化合物,在这些化合物中,钕一般显+3价,如SmCl3、Sm(NO3)3、Sm(C2O4)3等;+2价的钕是已知的,比如SmCl2、SmI2等.