atomic number 5
noun
- 1
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
Also useful for “atomic number 5”:Crossword— Multi-word entries show up in clues
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
Also useful for “atomic number 5”:Crossword— Multi-word entries show up in clues