Methane gas (CH4)

Methane gas (CH4)

Methane is a colorless odorless gas. It is also known as marsh gas or methyl hydride. It is easily ignited. The vapors are lighter than air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. CH4 is a gas produced by a...
Helium gas (He)

Helium gas (He)

Helium, inert gas of Group 18 of the periodic table the second lightest element (only hydrogen is lighter), helium is a colorless, odorless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F). The boiling and freezing points of...
Air

Air

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water vapor, argon, and carbon dioxide, and very small amounts of other gases. Air also contains suspended dust, spores, and bacteria. Because of the action of...
Argon gas (Ar)

Argon gas (Ar)

Argon gas (Ar)Argon is a colorless, odorless, non-reactive, inert gas. In high concentrations, it has an asphyxiating effect. As argon is an atmospheric gas (0.93% vol.), it is generally sourced by separating air. A crude Argon stream containing up to 5% oxygen...
Hydrogen gas (H2)

Hydrogen gas (H2)

Hydrogen gas (H2) Hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable diatomic gas with the molecular formula H2. With an atomic weight of 1. 00794, hydrogen is the lightest element. Besides the common H1 isotope, hydrogen exists as the...