What is a gas's molecules?

Answer 1

Gases are composed of an atomic element or an atomic molecule. Oxygen is O2 a molecule, as is CO2 carbon dioxide. Xenon, Xe is an atom, as is Hydrogen, H. The isotope is named protium, but almost always called hydrogen. A gas can be a molecule or an atom.

Our most common gaseous mixture, our atmosphere is composed of many, many gases. Some are elements, like Nitrogen and Argon, and others like Oxygen, Carbon Dioxide and Carbon Monoxide (a man made pollutant) are molecules.

Answer 2

At a low temperature, the gas molecules travel at a slower speed than when it is at a high temperature. This means that when on a lower temperature, the kinetic energy is less.

Answer 3

they just travel wen it collide with other molecules its gain energy and again it travels

Answer 4

What ? Moving (if temp is greater than 0 Kelvin.

Bumping into each other.

Relatively far apart.