Category: Lanthanides
Lanthanides is a group designation for similar, silvery-shining, relatively soft and reactive metals. Almost all have a typical dense sphere packing. Their hardness increases with increasing atomic number.
59Pr
Praseodymiumgrayish white
61Pm
Promethiummetallic
64Gd
Gadoliniumsilvery white
66Dy
Dysprosiumsilbrig weiß