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) |
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yttrium oxide
yttrium oxide, nke a makwaara dị ka Yttria, bụ ezigbo ihe na-emepụta ihe na-emepụta ihe maka ọkpụkpụ ọkpụkpụ. 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.