Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest and most abundant chemical element in the universe, constituting about 75% of all normal matter.

May 31, 2025 · Elementary hydrogen finds its principal industrial application in the manufacture of ammonia (a compound of hydrogen and nitrogen, NH 3) and in the hydrogenation of carbon …

Hydrogen is one of the three most abundant elements present on Earth. It was discovered in 1766 by Henry Cavendish and is widely used for various industrial, medical and recreational purposes.

5 days ago · Hydrogen is the most abundant element in the universe; it is also the simplest and the lightest. Although hydrogen constitutes nearly 75% of all the universe’s matter, only a …

Hydrogen is an energy carrier. Energy carriers transport energy in a usable form from one place to another. Elemental hydrogen is an energy carrier that must be produced from another …

Hydrogen is a clean alternative to methane, also known as natural gas. It's the most abundant chemical element, estimated to contribute 75% of the mass of the universe. Here on earth, …

May 16, 2015 · Hydrogen is the first element on the periodic table, with atomic number 1 and element symbol H. Hydrogen (H) is the first element of the periodic table and the most …

Hydrogen is the raw fuel that most stars 'burn' to produce energy. The same process, known as fusion, is being studied as a possible power source for use on earth. The sun's supply of …

Jun 6, 2025 · Hydrogen Basics. Hydrogen can be both an energy carrier and a primary energy source, if it is extracted from the ground as naturally occurring hydrogen. As an energy carrier, …

Hydrogen is a simple element. What’s amazing is that our very existence depends on it. On these pages, you can read all about hydrogen and its properties, and the options and risks …