Crossword puzzle clue "1 for hydrogen or 2 for helium abbr"

Here are the possible solutions for 1 for hydrogen or 2 for helium abbr clue

Answer
Clue
Relevancy
atno
Clue
1 for hydrogen or 2 for helium: Abbr.
element
Clue
Helium or hydrogen
Hydrogen or helium
Hydrogen or helium, for example
Definition
a substance that cannot be separated into simpler substances by chemical means
gas
Clue
Helium or hydrogen
Hydrogen or helium
Hydrogen or helium, for example
Definition
a state of matter
gases
Clue
Hydrogen and helium
Definition
GAS, to poison with gas

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