A pure gas consists of individual atoms (e.g. a noble gas like neon), or molecules (e.g. oxygen (O 2) or carbon dioxide). Pure gases can also be mixed together such as in the air. What distinguishes gases …

gas, one of the three fundamental states of matter, with distinctly different properties from the liquid and solid states. The remarkable feature of gases is that they appear to have no structure at all.

Mar 23, 2021 · Get the definition of a gas in science. See examples of gases including elements, mixtures, and gases in everyday life.

What is a gas. Learn its characteristics & facts. Explore different kinds of gases with examples & their uses. Understand how gases behave under various conditions.

Elements that exist as gases at room temperature and pressure are clustered on the right side of the periodic table; they occur as either monatomic gases (the noble gases) or diatomic molecules (some …

Jun 10, 2025 · A gas is made of particles without a set shape or volume, unlike solids and liquids. Gases at room temperature include air, chlorine, ozone, oxygen, and hydrogen. Gases have lots of space …

Gases are the highest-energy state of matter. What makes them unique is that they have no fixed shape or volume. Unlike solids and liquids, gases take the shape of their container. They’re highly …

Common gases at room temperature include both elements (such as H 2 and O 2) and compounds (such as CO 2 and NH 3). Elements that are gases at room temperature are all nonmetals (such as …

Apr 17, 2025 · Gases are a fundamental state of matter with widespread technological applications, from chemical synthesis and industrial processes to environmental monitoring and medical treatments.

Gases have played an important part in the development of chemistry. In the seventeenth and eighteenth centuries, many scientists investigated gas behavior, providing the first mathematical …