How Much Do You Know Neodymium Magnets

How Much Do You Know Neodymium Magnets Neodymium is metallic element , color yellow, Its chemical symbol is Nd, belong to rare earth metal; The atomic number  60, The chemical property is much active, be oxidized at room temperature slowly, it produce hydrogen with water and acid  . And the neodymium is paramagnetic material. Neodymium [...]