How many elements make up the lanthanide series?

1 Answer
Jan 9, 2017

Answer:

Well, there are 14 lanthanides, and 14 actinides.............

Explanation:

But some of the heavier metals are not even available in milligram quantitites. In addition, the chemistry of the Group 3 metals, which are hard, large, Lewis acids, is also lumped together with that of the lanthanides.