Elements and Compounds that are Gases at Room Temperature

Gases: Elements and Compounds that are Gases at Room Temperature

Patterns to common gases at room temperature
1. Include both elements and compounds
2. Elements that are gases at room temperature are all NONMETALS
3. Compounds that are gases at room temperature are all COVALENT COMPOUNDS
4. With a few exceptions, gases at room temperature have relatively small molar masses

**Common Gases at Room Temperature**
Element/Compound name	Molecular Formula	Molar Mass
Hydrogen	H₂	2.02
Helium	He	4.00
Methane	Ch₄	16.04
Ammonia	NH₃	17.03
Neon	Ne	20.18
Carbon Monoxide	CO	28.01
Nitrogen	N₂	28.01
Nitrogen Oxide	NO₂	30.01
Ethane	C₂H₆	30.07
Oxygen	O₂	32.00
Hydrogen Sulfide	H₂S	34.08
Hydrogen Chloride	HCl	36.46
Fluorine	F₂	38.00
Argon	Ar	39.95
Carbon Dioxide	CO₂	44.01
Dinitrogen Oxide	N₂O	44.01
Propane	C₃H₈	44.10
Nitrogen Dioxide	NO₂	46.01
Ozone	O₃	48.00
Butane	C₄H₁₀	58.12
Sulfur Dioxide	SO₂	64.06
Boron Trifluoride	BF₃	67.80
Chlorine	Cl₂	70.91
Krypton	Kr	83.80
Xenon	Xe	131.30
Sulfur Hexafluoride	SF₆	146.05

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