keemiline element, lantanoid, hallikaskollase helgiga metall, sulamistemperatuur 931 ºC, tihedus 6,77 Mg/m3
a soft, silvery-white, metallic chemical element of the lanthanide series, atomic number 59, which is used in mischmetal and some other alloys and (as the oxide) to impart a yellow colour to glass and ceramics
Soft, malleable and ductile, it is used in carbon electrodes for arc lamps, and its green salts are used in coloured glasses, ceramics, and enamels. Properties: at.no.59; r.a.m. 140.9077; r.d. 6.77; m.p. 931°C (1,708°F); b.p. 3,512°C (6,354°F); only one isotope Pr141 (100%).
