Hydrogen: Difference between revisions

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{{Era|Forerunner|Covenant|Human|UNSC|HCW|Post}}
{{Era|Forerunner|Covenant|Human|UNSC|HCW|Post}}
{{SeeWikipedia|Hydrogen}}
{{Wikipedia|Hydrogen}}
[[Image:Hydrogen.jpg|thumb|150px|A barrel containing Hydrogen.]]
[[Image:Hydrogen.jpg|thumb|150px|A barrel containing Hydrogen.]]
'''Hydrogen''' is a chemical element with an atomic number of 1; it is the first element in the Periodic Table and is the lightest with a molar mass of 1.00794 g/mol. It has an atomic radius of 78 pm. In its natural diatomic state, it is a colorless, odorless, tasteless gas. It is a very flammable gas and is the lightest element. Its low atomic number makes it a very common component in many reactions and molecules.
'''Hydrogen''' is a chemical element with an atomic number of 1; it is the first element in the Periodic Table and is the lightest with a molar mass of 1.00794 g/mol. It has an atomic radius of 78 pm. In its natural diatomic state, it is a colorless, odorless, tasteless gas. It is a very flammable gas and is the lightest element. Its low atomic number makes it a very common component in many reactions and molecules.