. "atomic number 18"@en-us . . . "0.264402"^^ . "argon"@en-us . "0"^^ . . "argon"^^ . . . . . "14628920-n"^^ . "0.0"^^ . "0.0189205"^^ . "0.0434252"^^ . . . "Ar"@en-us . . . . "0.0334428"^^ . . . "0.11442"^^ . . "0.0841485"^^ . . . "0.441241"^^ . . . "a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere"@en-us . . . . "0"^^ . "114628920"^^ . . "113791656"@en-us .