atomic number 5

1. 1.

   a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

   SynonymsboronB

   Broaderchemical element

Questions about atomic number 5

What does atomic number 5 mean?

atomic number 5 means "a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder".

What is another word for atomic number 5?

Close synonyms include boron, B. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is atomic number 5 a common word?