U Praseodimiu (simbulu Pr) hè u 59imu elementu chimicu.
ceriu – praseodimiu – neudimiu | |
Pr Pa | |
A so massa atomica hè 140,90765 g/mol è a so densità hè 6,48 g/cm3 . U Praseodimiu hè statu scupertu in u 1895 da von Welsbach.
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