Definition of atomic number 19 Atomic number 19
We found 1 definitions of atomic number 19 from 1 different sources.
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What does atomic number 19 mean?
WordNet
Noun |
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| atomic number 19 - a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite | ||
| potassium, K | ||
| metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | ||
| saltwater, seawater, brine water containing salts; "the water in the ocean is all saltwater" | ||
| carnallite a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium | ||
| kainite a white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer | ||
| langbeinite a mineral consisting of potassium magnesium double sulphate; used as a fertilizer | ||
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