Kayayyaki
Holmium, 67 Ho | |
Lambar atomic (Z) | 67 |
Farashin STP | m |
Wurin narkewa | 1734 K (1461 °C, 2662 °F) |
Wurin tafasa | 2873 K (2600 °C, 4712 °F) |
Yawan yawa (kusa da rt) | 8.79 g/cm 3 |
lokacin ruwa (a mp) | 8.34 g/cm 3 |
Zafin fuska | 17.0 kJ/mol |
Zafin vaporization | 251 kJ/mol |
Ƙarfin zafin rana | 27.15 J/ (mol·K) |
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Holmium oxide
Holmium (III) oxide, koholium oxideTushen Holmium ne mai matuƙar rashin narkewar zafin jiki. Sinadari ne na wani sinadarin holium da ba kasafai ba da iskar oxygen tare da dabarar Ho2O3. Holmium oxide yana faruwa a cikin ƙananan yawa a cikin ma'adinan monazite, gadolinite, da kuma a cikin wasu ma'adanai na duniya. Holmium karfe sauƙi oxidizes a cikin iska; don haka kasancewar holmium a yanayi yana daidai da na holmium oxide. Ya dace da aikace-aikacen gilashi, gani da yumbu.