atomic number 54

1. 1.

   a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts

   SynonymsxenonXe

   Broaderchemical elementnoble gas

Questions about atomic number 54

What does atomic number 54 mean?

atomic number 54 means "a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts".

What is another word for atomic number 54?

Close synonyms include xenon, Xe. 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.