Crossword puzzle clue "heavy noble gas"

Here are the possible solutions for heavy noble gas clue

Answer
Clue
Relevancy
radon
Clue
Heavy noble gas
Definition
a radioactive element, an inert gas
xenon
Clue
Heavy noble gas
argon
Clue
Noble gas
A noble gas
Most common noble gas
Earth's most abundant noble gas
Third noble gas
Noble gas, atomic number 18
Definition
an inert gaseous element

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