Answer: GASES
GASES is a crossword puzzle answer that we have spotted 78 times.
Referring Clues:
- Volcanic elements
 - Krypton and xenon
 - Some are inert
 - Subject of Avogadro's law
 - Xenon and neon
 - Terrific times, slangily
 - Atmospheric mix
 - Some cause laughter
 - Exhausts, say
 - Tops up the tank, with "up"
 - Oxygen and nitrogen
 - Krypton and others
 - The first two periodic table entries
 - Atmospheric particles
 - Helium and neon
 - Hydrogen and oxygen, e.g.
 - Tanks (up)
 - See 50-Across
 - They're exhausted
 - Aerostatics subject
 - Some are noble
 - Neon and hydrogen
 - They're in the atmosphere
 - Neon and nitrogen
 - They can cause tears or laughter
 - Some may be noble
 - Krypton and oxygen, e.g.
 - Amorphous space fillers
 - Helium and hydrogen
 - Rightmost column in the periodic table
 - Krypton and oxygen
 - Fills (up)
 - Neon and helium
 - Neon and others
 - Oxygen and helium, for instance
 - Eleven of the elements, under normal conditions
 - Freon and Oxygen
 - Nebula makeup
 - Argon and xenon
 - Atmosphere makeup
 - Argon and xenon, e.g.
 - Argon and xenon, for two
 - Neon and xenon, for two
 - Neon and ozone
 - Chews the fat
 - Argon and neon, for two
 - Unseen elements
 - Krypton and methane
 - Hydrogen and helium
 - Nebula make-up
 - Neon and xenon, e.g.
 - Noble ___
 - Some inert elements
 - They may be noble
 - Vapors
 - Radon and ozone
 - Rightmost column of the periodic table, e.g.
 - Argon and krypton
 - Xenon and krypton, for two
 - All the "noble" elements
 - What Boyle's Law applies to
 - Radon and krypton
 - Neon, argon and butane
 - Neon and argon
 - Butane and methane, for two
 - Oxygen and neon
 - Volcanic emissions
 - They're in the air
 - Fluid statics study
 - Oxygen and carbon dioxide
 - Helium and oxygen, for two
 - Six of the first 10 elements on the periodic table
 - Elements that make up the atmosphere
 - Neon and radon, for two
 - What Boyle's law pertains to
 - Sublimation products
 - Neon and xenon
 - Rightmost column on the periodic table
 
Last Seen In:
- New York Times - July 04, 2025
 - LA Times - April 27, 2025
 - New York Times - January 25, 2025
 - New York Times - December 29, 2024
 - USA Today - July 11, 2023
 - LA Times - December 09, 2022
 - New York Times - May 16, 2022
 - New York Times - July 14, 2021
 - USA Today - October 09, 2020
 - Universal - September 24, 2020
 - Netword - May 18, 2020
 - Netword - November 23, 2019
 - LA Times - November 17, 2019
 - Netword - July 14, 2019
 - Netword - March 05, 2019
 - New York Times - December 03, 2018
 - Universal - October 12, 2018
 - Netword - May 24, 2018
 - USA Today - April 26, 2018
 - Universal - May 23, 2017
 
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