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1. argonon
Table of Contents
1. argonon
Synonyms
Antonyms
1. argonon
noun.
any
of
the
chemically
inert
gaseous
elements
of
the
helium
group
in
the
periodic
table.
Synonyms
Kr
Ar
inert gas
Xe
atomic number 2
helium
He
atomic number 54
atomic number 10
Rn
element
chemical element
neon
atomic number 18
xenon
radon
gas
noble gas
krypton
atomic number 86
Ne
atomic number 36
Antonyms
curve
understate
leaded gasoline
unleaded gasoline
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