järjestysluku 19

1. 1.kalium; pehmeä hopeanvalkoinen alkalimetalli, joka hapettuu nopeasti ilmassa ja reagoi voimakkaasti veden kanssa

1. 1.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

Synonyymit

Hierarkia