Definition of Atomic Number 18 in English :

Define Atomic Number 18 in English

Atomic Number 18 meaning in English

Meaning of Atomic Number 18 in English

Pronunciation of Atomic Number 18 in English

Atomic Number 18 pronunciation in English

Pronounce Atomic Number 18 in English

Atomic Number 18

see synonyms of atomic number 18

Noun

1. ar, argon, atomic number 18

a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

WordNet Lexical Database for English. Princeton University. 2010.