
Hydrogen - Wikipedia
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.
Hydrogen | Properties, Uses, & Facts | Britannica
Nov 27, 2025 · 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 - Department of Energy
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 …
Hydrogen explained - U.S. Energy Information Administration (EIA)
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 different …
Hydrogen - Element information, properties and uses | Periodic Table
Element Hydrogen (H), Group 1, Atomic Number 1, s-block, Mass 1.008. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
What Is Hydrogen? The Ultimate Guide to Most Abundant Element
What Is Hydrogen? The Ultimate Guide Introduction Hydrogen is the simplest and most abundant element in the universe, making up about 75% of all normal matter. Yet, despite its simplicity, …
What Are the 5 Main Uses of Hydrogen? - Hydrogician
May 16, 2025 · Hydrogen isn’t just a buzzword—it’s transforming industries from energy to aviation. Hydrogen is primarily used in refining, ammonia production, fuel cells, metal treatment, and rocket …
Hydrogen | History, Uses, Facts, Physical & Chemical Characteristics
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.
Why Hydrogen Still Matters In A Warming World - Forbes
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.
What is hydrogen? | National Grid
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, vast numbers of …
Hydrogen production - Wikipedia
Hydrogen gas is produced by several industrial methods. [1] Nearly all of the world's current supply of hydrogen is created from fossil fuels. [2][3] Most hydrogen is gray hydrogen made through steam …
Hydrogen Basics | NLR
2 days ago · 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, it stores and transports energy …
Hydrogen Factsheet - Center for Sustainable Systems
Hydrogen is a feedstock and energy carrier used in multiple sectors. Global hydrogen demand reached 97 Mt in 2023, a 2.5% increase from 2022, with 10 Mt in the U.S. 1,2 Hydrogen is the most abundant …
Hydrogen Fuel Basics - Department of Energy
Hydrogen is a clean fuel that, when consumed in a fuel cell, produces only water. Hydrogen can be produced from a variety of domestic resources, such as natural gas, nuclear power, biomass, and …
Hydrogen (H) - Definition, Preparation, Properties, Uses, Compounds ...
Jan 21, 2025 · What is Hydrogen? Hydrogen is the simplest and most abundant element in the universe, consisting of just one proton and one electron. This lightweight, colorless gas is found in great …
Hydrogen fuel isn’t always the green choice - Nature
Nov 24, 2025 · Using hydrogen to power road transportation and heat homes doesn’t save more carbon emissions than direct electrification.
Hydrogen - Fuel, Energy, Uses | Britannica
Oct 17, 2025 · The reaction between sulfuric or hydrochloric acid and an active metal like zinc is utilized to liberate hydrogen in the laboratory, but such hydrogen usually contains trace quantities of volatile …
Introduction to hydrogen - European Hydrogen Observatory
Hydrogen is the most abundant element in our universe, making up about 75% of its total mass. On Earth, naturally occurring hydrogen gas is found in very small quantities. Instead, most hydrogen …
Hydrogen - Understand Energy Learning Hub
Hydrogen is a versatile energy currency that can be produced from fossil fuels or water and that also occurs naturally in rocks underground. Hydrogen has very low energy density by volume but is …
How UC Berkeley is improving the affordability of hydrogen fuel
Nov 24, 2025 · Producing hydrogen to fuel heavy transport and industry is energy intensive and expensive. A Berkeley chemist has overcome one roadblock to producing low-cost, green hydrogen …
Hydrogen atom - Wikipedia
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral hydrogen atom contains a single positively charged proton in the nucleus, and a single negatively charged electron …
New low temperature fuel cell could transform hydrogen power
2 days ago · Kyushu University scientists have achieved a major leap in fuel cell technology by enabling efficient proton transport at just 300°C. Their scandium-doped oxide materials create a wide, soft ...
Bill Gates-backed Modern Hydrogen lays off most of its employees
4 days ago · After 10 years, clean energy startup Modern Hydrogen has laid off most of its employees due to funding changes and is undergoing a "broader restructuring effort."
Hydrogen - Energy Education
Hydrogen plays an incredibly large role in the workings of stars, but is also of vast importance on the Earth. It is rarely in its free state on Earth, instead it combines with many elements to form molecules …
hydrogen summary | Britannica
hydrogen, Lightest chemical element, chemical symbol H, atomic number 1. A colourless, odourless, tasteless, flammable gas, it occurs as the diatomic molecule H 2.
10 Things You Might Not Know About Hydrogen and Fuel Cells
Oct 8, 2019 · Brush up on your hydrogen and fuel cell knowledge! In celebration of Hydrogen and Fuel Cell Day on October 8, here are 10 fun facts about hydrogen and fuel cell technologies and 8 …
Precise catalyst design boosts hydrogen gas production efficiency and ...
4 days ago · A recent advance in the science of hydrogen fuel production could enable higher output and more sustainable production of this renewable energy source, researchers with Stockholm's …
Hydrogen - Simple English Wikipedia, the free encyclopedia
Hydrogen is the lightest and most abundant element in the universe. It is the simplest element and the first in the periodic table. It has the chemical symbol H and atomic number 1, which means it has just …
Air Liquide and Hyundai Motor Group advance global partnership to ...
3 days ago · Air Liquide and Hyundai Motor Group reaffirm leadership in the hydrogen sector as co-chairs of the Hydrogen Council, driving global hydrogen ecosystem expansion. This partnership …
Hydrogen - Energy
Jul 8, 2025 · The EU's hydrogen strategy and REPowerEU plan have put forward a comprehensive framework to support the uptake of renewable and low-carbon hydrogen to help decarbonise the EU.