benear1

Nā huahana

Holmium, 67Ho
Helu ʻātoma (Z) 67
Pae ma STP paʻa
Kiko heheʻe 1734 K (1461 °C, 2662 °F)
Kikowaena paila 2873 K (2600 °C, 4712 °F)
Ka nui (kokoke i ka rt) 8.79 g/cm3
i ka wā wai (ma mp) 8.34 g/cm3
Ka wela o ka hoʻoheheʻe ʻana 17.0 kJ/mol
Ka wela o ka mahu 251 kJ/mol
Ka mana wela molar 27.15 J/(mol·K)
  • ʻOkiuma Holmium

    ʻOkiuma Holmium

    ʻOkiuma Holmium(III), a i ʻoleʻokikene holmiumHe kumu Holmium paʻa wela paʻa ʻole ia. He hui kemika ia o kahi mea honua laha ʻole holmium a me ka oxygen me ke ʻano Ho2O3. Loaʻa ka holmium oxide i nā nui liʻiliʻi i loko o nā mineral monazite, gadolinite, a me nā mineral honua laha ʻole ʻē aʻe. Hoʻopau maʻalahi ka metala Holmium i ka lewa; no laila, ʻo ke alo o ka holmium ma ke ʻano he like me ka holmium oxide. He kūpono ia no nā noi aniani, optic a me ka seramika.