Name for a group of similar elements which include yttrium and erbium

Let's find possible answers to "Name for a group of similar elements which include yttrium and erbium" crossword clue. First of all, we will look for a few extra hints for this entry: Name for a group of similar elements which include yttrium and erbium. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.