Isotopes,Yttrium
《英文msh詞典》Isotopes,Yttrium
[入口詞] Isotopes,Yttrium
[主題詞] Yttrium Isotopes
[英文釋義] Stable yttrium atoms that have the same atomic number as the element yttrium,but differ in atomic weight. Y-89 is the only naturally occurring stable isotope of yttrium.