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Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic ..... Hydrogen is found in the neutral atomic state in the interstellar medium. The large amount of neutral ...

Hydrogen - Element information, properties and uses | Periodic Table


Element Hydrogen (H), Group 1, Atomic Number 1, s-block, Mass 1.008. Sources ... Periodic Table > Hydrogen. Glossary ... Discovered by, Henry Cavendish.

Hydrogen Facts - Gas, Atom, Uses, Properties, Element H, Fuel Cell ...


Jul 8, 2016 ... Hydrogen is the lightest, simplest and most commonly found chemical element in the Universe, making up around 75% of its elemental mass.

Chemistry for Kids: Elements - Hydrogen - Ducksters


Hydrogen gas is made up of diatomic molecules designated as H2. Where is hydrogen found on earth? The most common place to find hydrogen on earth is in ...

Hydrogen - Energy and kids - ESD - Bulgaria


Hydrogen gas is lighter than air and, as a result, it rises in the atmosphere. This is why hydrogen as a gas (H2) is not found by itself on earth. It is found only in ...

Hydrogen Facts for Kids


Hydrogen Facts. Hydrogen is the most common element found on Earth. It is extremely important to humans as water is made up of two parts hydrogen (and one ...

It's Elemental - The Element Hydrogen


The simplest isotope, called protium, is just ordinary hydrogen. The second, a stable isotope called deuterium, was discovered in 1932. The third isotope, tritium, ...

Chem4Kids.com: Hydrogen: General Info and Everyday Items


Chem4Kids.com! Hydrogen discovery, background, and location information. There are also tutorials on the first thirty-six elements of the periodic table.

Hydrogen»historical information [WebElements Periodic Table]


Deuterium gas (<sup>2</sup>H2, often written D2), made up from deuterium, a heavy isotope of hydrogen, was discovered in 1931 by Harold Urey, a professor of chemistry ...

Hydrogen, Chemical Element - reaction, water, uses, elements ...


Hydrogen was first discovered in 1766 by English chemist and physicist Henry Cavendish (1731-1810). Cavendish was also the first person to prove that water  ...

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Where is hydrogen found in nature? | Reference.com


As its name implies, hydrogen was first observed in water. Water consists of one oxygen atom bonded with two atoms of hydrogen. The abundance of water on ...

Wikijunior:The Elements/Hydrogen - Wikibooks, open books for an ...


Hydrogen is an atom that contains an electron and a single proton. It is found at the very upper left of the periodic chart. The symbol for Hydrogen is the letter H.

Facts About Hydrogen - Live Science


Jan 23, 2015 ... Hydrogen has three common isotopes: protium, which is just ordinary hydrogen; deuterium, a stable isotope discovered in 1932 by Harold C.