atomic number 4

1. 1.

   a light strong brittle grey toxic bivalent metallic element

   SynonymsberylliumBeglucinium

   Broadermetallic element

Questions about atomic number 4

What does atomic number 4 mean?

atomic number 4 means "a light strong brittle grey toxic bivalent metallic element".

What is another word for atomic number 4?

Close synonyms include beryllium, Be, glucinium. 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.