Definition of atomic number 1 Atomic number 1
We found 1 definitions of atomic number 1 from 1 different sources.
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What does atomic number 1 mean?
WordNet
Noun |
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| atomic number 1 - a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe | ||
| hydrogen, H | ||
| chemical element, element the most favorable environment for a plant or animal; "water is the element of fishes" | ||
| gas the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container | ||
| h2o, water a liquid necessary for the life of most animals and plants; "he asked for a drink of water" | ||
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