Hydrogen is a chemical element; it has the 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.

5 days ago · The earliest known chemical property of hydrogen is that it burns with oxygen to form water; indeed, the name hydrogen is derived from Greek words meaning ‘maker of water.’

Hydrogen energy is emerging as a key clean fuel in the global move toward sustainability, offering the potential to decarbonise industries, transport and energy systems. This article, brought to you by the …

4 days ago · Hydrogen occurs naturally on earth in compound form with other elements in liquids, gases, or solids. Hydrogen combined with oxygen is water (H 2 O). Hydrogen combined with carbon forms …

Nov 28, 2025 · Hydrogen has been described as the “Swiss army knife” of energy because it plays a key role in several sectors where there are limited or no viable alternatives (including in applications …

3 days ago · Reservoirs of hydrogen gas that form naturally in Earth's crust could help humans decarbonize. The challenge now is finding these accumulations and working out how best to mine …

Element Hydrogen (H), Group 1, Atomic Number 1, s-block, Mass 1.008. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Nov 27, 2025 · Hydrogen won’t save the planet alone, but we won’t reach net zero without it. The solutions are seen as costly today, but will be indispensable tomorrow.

May 1, 2025 · Hydrogen is the simplest atom possible: one proton, one electron, and, in its most common form, no neutrons. This simplicity might suggest predictability or even boredom. But don’t …

2 days ago · Low-carbon hydrogen — made with either renewable energy and water or gas and carbon capture and storage — has struggled to secure upfront contracts from buyers, with so-called green …