Some are not.
The gasses (and anything else for that matter) that are colorless are so because none of the constituent atoms or molecules have electron orbits with energy gaps that correspond to the energies of wavelengths of light that we see.
Chlorofluorocarbons are usually colorless gases or liquids.
Some gases that are commonly found in the atmosphere and are not typically considered smelly include nitrogen, oxygen, and carbon dioxide. These gases are often odorless and colorless.
Argon is a colorless, odorless, and tasteless gas. It is classified as a noble gas and is part of the group of non-reactive gases on the periodic table.
Most pure gases are odorless and colorless. However, certain gases can have distinct odors when they are combined with other substances, such as sulfur dioxide which smells like rotten eggs.
It depends on the oxide. Nitrogen oxide and dinitrogen tetroxide are colorless gases, Nitrogen dioxide is brown gas, etc.
No, noble gases are not shiny. They are colorless and odorless gases that do not have a metallic or reflective appearance.
Lots of gases are colorless. You'd have to be more specific.
Colorless, odorless mixture of gases.
The two colorless gases that combine to form a colorless liquid are hydrogen gas (H2) and oxygen gas (O2), which react to form liquid water (H2O) through a chemical reaction.
Lots of gases are colorless. You'd have to be more specific.
Both are colorless gases.
Noble gases are nonmetals. They are colorless, odorless gases that are known for their low reactivity and full outer electron shells.
Excepting some colorless gases all chemical elements are visible.
Chlorofluorocarbons are usually colorless gases or liquids.
No they are all colorless gases. Neon glows orange-red in discharge tubes and in "neon lights"
Some gases that are commonly found in the atmosphere and are not typically considered smelly include nitrogen, oxygen, and carbon dioxide. These gases are often odorless and colorless.
Nitrogen, oxygen, carbon dioxide, carbon monoxide...