Atomic Number 17 — synonyms, definition

1. atomic number 17 (Noun)

2 synonyms
Cl chlorine
1 definition

atomic number 17 (Noun) — A common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water).

4 types of
chemical element element gas halogen
1 type
radiochlorine
2 parts of
common salt sodium chloride