Begreppsinformation
Föredragen term
Hydrogen
Definition
- 1. Hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is also associated with this nucleus. (Brittanica). 2. 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,[11] hydrogen gas, molecular hydrogen, or simply hydrogen. It is colorless, odorless,[12] non-toxic, and highly combustible. Constituting about 75% of all normal matter, hydrogen is the most abundant chemical element in the universe. (Wikipedia)
Överordnat begrepp
URI
https://purls.helmholtz-metadaten.de/evoks/sdv/Hydrogen
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