Crossword puzzle clue "inert element used in lights"

Here are the possible solutions for inert element used in lights clue

Answer
Clue
Relevancy
neon
Clue
Inert element used in lights
Inert element
Inert gas that is element #10 on the periodic table
Definition
a gaseous element
argon
Clue
Inert element
Inert gaseous element
Inert gas used in welding
Inert gas used to fill light bulbs
Definition
an inert gaseous element
gas
Clue
Any inert element
Definition
a state of matter

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