H₂ represents hydrogen gas, which is composed of two hydrogen atoms bonded together. Hydrogen gas is colorless, odorless, and highly flammable. It is the lightest element and plays essential roles in various industrial processes.
Related terms
Gas: One of the four fundamental states of matter characterized by particles with high kinetic energy and weak intermolecular forces.
Flammable: Easily ignited and capable of burning rapidly when exposed to flames or sparks.
Industrial Processes: Chemical reactions or operations used on a large scale for manufacturing products or providing services.