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Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H 2, sometimes called dihydrogen, but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
- Hydrogen Atom
A hydrogen atom is an atom of the chemical element hydrogen....
- Tritium
Tritium (from Ancient Greek τρίτος (trítos) 'third') or...
- Helium
While hydrogen gas is more buoyant and escapes permeating...
- Hydrogen Production
Hydrogen gas is produced by several industrial methods. In...
- Category:Hydrogen Compounds
Main page; Contents; Current events; Random article; About...
- Recombination
In cosmology, recombination refers to the epoch during which...
- Neutronium
Neutronium (or neutrium, or neutrite) is a hypothetical...
- Hydrogen (Disambiguation)
Hydrogen is the chemical element with symbol H and atomic...
- Solid Hydrogen
Solid hydrogen is the solid state of the element hydrogen,...
- Diatomic Molecules
A space-filling model of the diatomic molecule dinitrogen, N...
- Hydrogen Atom
- Properties
- Hydrogen in Nature
- History of Hydrogen
- Uses of Hydrogen
Hydrogen is grouped as a reactive nonmetal, unlike the other elements found in the first column of the periodic table, which are grouped as alkali metals. The solid form of hydrogen should behave like a metal, though. When by itself, hydrogen normally binds with itself to make dihydrogen (H2) which is very stable, because of its high bond-dissociat...
In its natural form on Earth, hydrogen is generally a gas. Hydrogen is also one of the parts that make up a water molecule. Hydrogen is important because it is the fuel that powers the Sun and other stars.Hydrogen makes up about 74% of the complete universe. Natural hydrogen is normally made of two hydrogen atoms connected together. Scientists name...
Hydrogen was first separated in 1671 by Robert Boyle. In 1776, Henry Cavendish identified it as its own elementand named it "inflammable air". He saw in 1781 that burning it made water. Antoine Lavoisier gave Hydrogen its name, from the Greek word for water, 'υδορ (read /HEEW-dor/) and gennen meaning to "produce" as it forms water in a chemical rea...
The most common uses are in the petroleum industry and in making ammonia by the Haber process. Some is used in other places in the chemical industry. A little of it is used as fuel, for example in rockets for spacecraft. Most of the hydrogen that people use comes from a chemical reaction between natural gas and steam.
- colorless gas
- 1
May 5, 2024 · Learn about hydrogen, the simplest and most abundant element in the universe, and its chemical and physical properties, isotopes, and applications. Find out how hydrogen was discovered, how it forms water, and how it is used in industry and science.
Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2, sometimes called dihydrogen, but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
Hydrogen production globally was valued at over US$155 billion in 2022 and is expected to grow over 9% annually through 2030. [31] In 2021, 94 million tonnes (Mt) of molecular hydrogen ( H2) was produced. [32] Of this total, approximately one sixth was as a by-product of petrochemical industry processes. [4]
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