beri1

Ngwaahịa

Praseodymium, 59Pr
Nọmba atọm (Z) 59
Usoro na STP siri ike
Ebe mgbaze 1208K (935 Celsius, 1715 Celsius)
Ebe esi nri 3403 K (3130 Celsius, 5666 Celsius)
Njupụta (nke dị nso rt) 6.77 g/cm3
mgbe mmiri mmiri (na mp) 6.50 g / cm3
Okpomọkụ nke ngwakọta 6.89 kJ / mol
Okpomọkụ nke vaporization 331 kJ / mol
Ike okpomọkụ molar 27.20 J/ (mol·K)
  • Praseodymium (III, IV) oxide

    Praseodymium (III, IV) oxide

    Praseodymium (III,IV) oxidebụ ogige inorganic nke nwere usoro Pr6O11 nke na-adịghị edozi na mmiri. Ọ nwere usoro fluorite cubic. Ọ bụ ụdị praseodymium oxide kacha kwụsie ike na okpomọkụ na nrụgide. Praseodymium(III,IV) Oxide bụ n'ozuzu ịdị ọcha dị elu (99.999%) Praseodymium(III,IV) Oxide (Pr2O3) ntụ ntụ dị n'oge na-adịbeghị anya n'ọtụtụ mpịakọta. Ihe mejupụtara ịdị ọcha dị elu na ịdị ọcha dị elu na-eme ka mma anya na uru dị ka ụkpụrụ sayensị. Nanoscale elemental powders na nkwusioru, dị ka ụdị ọzọ dị elu n'elu, nwere ike ịtụle.