noun. Oxygen is a colorless and odorless gas that people need to breath. An example of oxygen is the colorless and odorless gas that you breath in every day.
Under standard conditions oxygen forms a gas that is composed of molecules consisting of two oxygen atoms (O2). This is called a diatomic gas. In this form oxygen is a colorless, odorless, tasteless gas. Oxygen also exists as the allotrope ozone (O3).
Also, is oxygen liquid solid or gas? Oxygen is typically a gas as found in nature. However, by cooling it to under -183 deg C (-297.4 Fahrenheit), it will become a condensate or liquid that is normally a gas. With enough energy, you could also harden Oxygen into a solid at -218.79 deg.
People also ask, how do you describe oxygen?
Oxygen is the chemical element with the symbol O. It is the third-most common element in the universe, after hydrogen and helium. When alone, two oxygen atoms usually bind to make dioxygen (O2), a colourless gas. It has no taste or smell.
What does the word oxygen mean chemically?
Definition of oxygen. 1 : a chemical element that constitutes 21 percent of the Earths atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion — see Chemical Elements Table.
