Definition of Atomic number 19
1. Noun. 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.
Generic synonyms: Metal, Metallic Element
Substance meronyms: Carnallite, Kainite, Langbeinite, Brine, Saltwater, Seawater, Sylvine, Sylvite
Atomic Number 19 Pictures
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Lexicographical Neighbors of Atomic Number 19
Literary usage of Atomic number 19
Below you will find example usage of this term as found in modern and/or classical literature:
1. Biomass Energy: A Glossary of Terms edited by Craig L. Chase (1998)
"Potassium: [K] Metallic element of atomic number 19, group IA of the periodic system; an alkali metal. ..."