beri1

Ngwaahịa

Europium, 63Eu
Nọmba atọm (Z) 63
Usoro na STP siri ike
Ebe mgbaze 1099K (826 Celsius, 1519 Celsius)
Ebe esi nri 1802 K (1529 Celsius, 2784 Celsius)
Njupụta (nke dị nso rt) 5.264 g/cm3
mgbe mmiri mmiri (na mp) 5.13 g/cm3
Okpomọkụ nke ngwakọta 9.21 kJ / mol
Okpomọkụ nke vaporization 176 kJ / mol
Ike okpomọkụ molar 27.66 J/ (mol·K)
  • Europium (III) oxide

    Europium (III) oxide

    Europium (III) oxide (Eu2O3)bụ ngwakọta kemịkalụ nke europium na oxygen. Europium oxide nwekwara aha ndị ọzọ dị ka Europia, Europium trioxide. Europium oxide nwere agba ọcha pink. Europium oxide nwere ihe owuwu abụọ dị iche iche: cubic na monoclinic. Europium oxide a haziri nke cubic fọrọ nke nta ka ọ bụrụ otu ihe nhazi magnesium oxide. Europium oxide nwere solubility na-adịghị ahụkebe na mmiri, mana ọ na-agbaze ngwa ngwa na acid ịnweta. Europium oxide bụ ihe kwụsiri ike nke ọma nke nwere ebe mgbaze na 2350 oC. Njirimara otutu nke Europium oxide dị ka magnetik, ngwa anya na luminescence Njirimara na-eme ka ihe a dị oke mkpa. Europium oxide nwere ikike ịmịkọrọ mmiri na carbon dioxide na ikuku.