atomic number 39
noun
- 1
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
Also useful for “atomic number 39”:Crossword— Multi-word entries show up in clues
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
Also useful for “atomic number 39”:Crossword— Multi-word entries show up in clues