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There are many, but here are just a few:

carbon dioxide, CO2

oxygen, O2

hydrogen, H2

nitrogen, N2

chlorine, Cl2

fluorine, F2

helium, He

neon, Ne

argon, Ar

krypton, Kr

xenon, Xe

radon, Rn

methane, CH4

ethane, C2H6

propane, C3H8

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16y ago
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14y ago

There are many substances which are a gas at room temperature, for example... Oxygen, Argon, Hydrogen, Helium, Krypton, Radon, Xenon, Neon, Chlorine, Fluorine, Carbon dioxide, Carbon monoxide, Nitrous oxide, Methane, Hydrogen sulphide...

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10y ago

There are several substances that are a gas at room temperature. These include argon, oxygen, hydrogen, helium, and neon.

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11y ago

Chlorine is an element that is a gas at room temperature.

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12y ago

Carbon Dioxide, Ammonia and Methane are three examples of common compounds that are gases at room temperature.

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11y ago

Examples: methane, oxygen, helium, ammonia, hydrogen fluoride, ethane, radon.

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6y ago

There are many. Some examples would be carbon dioxide (CO2), carbon monoxide (CO), hydrogen (H2), oxygen (O2), all of the noble gases, nitrogen (N2), etc.

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6y ago

O2 is Oxygen.

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Q: Which substance is a gas at room temperature?
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What is a description of a substance that easily changes to a gas at room temperature?

Volatile


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It means whether the substance in question is solid, liquid or gas at normal room temperature, so you could assume that about 20 degrees celsius. Oxygen is a gas at room temperature Water is a liquid at room temperature Iron is a solid at room temperature.


What do boiling point and melting point have to do with the phase of matter of an element at room temperature?

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