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Few compounds of californium have been made and studied. [1] The only californium ion that is stable in aqueous solutions is the californium(III) cation. [2] The other two oxidation states are IV (strong oxidizing agents) and II (strong reducing agents). [3]
Californium is a silvery-white actinide metal [12] with a melting point of 900 ± 30 °C (1,650 ± 50 °F) and an estimated boiling point of 1,743 K (1,470 °C; 2,680 °F). [13] The pure metal is malleable and is easily cut with a knife. Californium metal starts to vaporize above 300 °C (570 °F) when exposed to a vacuum. [14]
Californium(III) oxide forms a yellow-green solid with a melting point of 1750 °C and exists in three modifications. [2] The body-centered cubic modification forms a crystal lattice with a = 1083.9 ± 0.4 pm. The transition temperature between body-centered cubic and monoclinic structures is about 1400 °C. [3] [4] It is insoluble in water. [5]
Californium dichloride is a binary inorganic compound of californium metal and chlorine with the chemical formula CfCl 2. [1] Synthesis. CfCl 2 can be prepared by ...
Californium oxychloride (Cf OCl) is a radioactive salt first discovered in measurable quantities in 1960. It is composed of a single californium cation and oxychloride consisting of one chloride and one oxide anion. It was the first californium compound ever isolated. [1]
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Californium(IV) oxide is a black-brown solid that has a cubic fluorite crystal structure with a lattice parameter, the distance between unit cells in the crystal, of 531.0 ± 0.2 pm. Crystals of californium(III) oxide normally have a body-centered cubic symmetry. They convert to a monoclinic form upon heating to about 1400 °C and melt at 1750 °C.
Na 2 C 3 H 2 O 4: sodium malonate: 141–95–7 Na 2 C 4 H 6 O 6: sodium tartrate: 6106–24–7 Na 2 C 6 H 8 O 4: sodium adipate: 7486–38–6 Na 2 CrO 4: sodium chromate: 7775–11–3 Na 2 FPO 3: sodium fluorophosphate: 10163–15–2 Na 2 H 2 S 2 O 6: sodium dithionate: 7631–94–9 Na 2 MoO 4: sodium molybdate: 7631–95–0 Na 2 O ...