Hydrogen

Common ions: H+Electron configuration: 1s1Group 1 and no namePeriod 1State of matter at room temp.: gasColorlessElectronegativity:2.2Density: 0.0899Melting point: -259.14 celciusBoiling point: -252.87 celcius

Origin of name: from the greek words "hydro" and "genes" meaning "water" and "generator".Element symbol: HAtomic number: 1Atomic mass: 1.0079Discovered 249 years ago by Henry Cavendish

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HYDROGENBy Clarivy Abreu

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Liquid hydrogen has the lowest density of any liquid.Hydrogen is the most abundant element in the universe.Solid, crystalline hydrogen has the lowest density of any crystalline solid.About 10% of the weight of living organisms is hydrogen.

Facts

CitationWebsite Title: It's Elemental - Article Title: The Element Hydrogen Date Accessed: April 22, 2015

Hydrogen combined with oxygen, is water (h2o). Hydrogen combined with carbon, forms different compounds such as methane(cH4), coal and petroleum. Hydrogen is also found in all growing things -Biomass. It is also an abundant element in the earths crust.Common use: It is primarily used to create water.