Energy Glossary Definition (English)
H2 Defined
The following is in context to Energy, because it's common for a single word to have multiple meanings you will find additional research links near the bottom of the page.
"Hydrogen (H) is the most abundant element in the universe but it is generally bonded to another element. Hydrogen gas (H2) is a diatomic gas composed of hydrogen atoms and is colorless and odorless. Hydrogen is flammable when mixed with oxygen over a wide range of concentrations."
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Additional H2 Definition Starting Points
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