beri1

Ngwaahịa

Yttrium, 39Y
Nọmba atọm (Z) 39
Usoro na STP siri ike
Ebe mgbaze 1799 K (1526 Celsius, 2779 Celsius)
Ebe esi nri 3203 K (2930 Celsius, 5306 Celsius)
Njupụta (nke dị nso rt) 4.472 g/cm3
mgbe mmiri mmiri (na mp) 4.24 g/cm3
Okpomọkụ nke ngwakọta 11.42 kJ / mol
Okpomọkụ nke vaporization 363 kJ / mol
Ike okpomọkụ molar 26.53 J/(mol·K)
  • yttrium oxide

    yttrium oxide

    yttrium oxide, nke a makwaara dị ka Yttria, bụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ dị mma maka ịmepụta spinel. Ọ bụ ikuku kwụsiri ike, ihe siri ike na-acha ọcha. Ọ nwere ebe mgbaze dị elu (2450oC), nkwụsi ike kemịkalụ, ọnụọgụ dị ala nke mgbasawanye ọkụ, nghọta dị elu maka ma a na-ahụ anya (70%) na ọkụ infrared (60%), obere ebipụ ike nke photons. Ọ dabara maka ngwa iko, optic na seramiiki.