First Uses of the Periodic Table Element – Praseodymium. Praseodymium is a fascinating element that has been used for various purposes throughout history. Belonging to the rare earth metals group, praseodymium was first discovered in 1885 by the Austrian chemist Carl Auer von Welsbach.
Tag Archives: Middle Grade Chemistry
First Uses of the Periodic Table Element -Niobium.Niobium is a fascinating element with a wide range of uses in today’s modern world. But, have you ever wondered what the first uses of this remarkable metal were?