Vi fant 1 definisjoner av atomic number 9 på engelsk.
Noun |
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| atomic number 9 - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite | ||
| fluorine, F | ||
| 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 | ||
| halogen any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | ||
| fluor, fluorite, fluorspar a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine | ||
| fluorapatite a form of apatite in which fluorine predominates over chlorine | ||