nonmetals
noble gases
metalloids
halogens
alkaline earth metals
post-transition metals
alkali metals
transition metals
lanthanoids
actinoids
158Gd | 157.92411 | 24.84% |
160Gd | 159.92706 | 21.86% |
156Gd | 155.92213 | 20.47% |
157Gd | 156.92397 | 15.65% |
155Gd | 154.92263 | 14.80% |
154Gd | 153.92087 | 2.18% |
152Gd | 151.91980 | 0.20% |
Johan Gadolin, chemist, physicist and mineralogist