Technetium(IV) oxide
Chemical compound / From Wikipedia, the free encyclopedia
Technetium(IV) oxide, also known as technetium dioxide, is a chemical compound with the formula TcO2 which forms the dihydrate, TcO2·2H2O, which is also known as technetium(IV) hydroxide. It is a radioactive black solid which slowly oxidizes in air.[1][4]
Quick Facts Names, Identifiers ...
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Identifiers | |
3D model (JSmol) |
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ChEBI | |
ChemSpider | |
873611 | |
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Properties | |
TcO2 | |
Molar mass | 130.00 g/mol |
Appearance | Black solid |
Density | 6.9 g/cm3[1] |
Melting point | 1,100 °C (2,010 °F; 1,370 K)[2] (sublimes) |
Insoluble | |
Solubility | Slightly soluble in acid (dihydrate)[3] |
Structure | |
Isostructural to MoO2[1] | |
Thermochemistry | |
Gibbs free energy (ΔfG⦵) |
−305.974±3.377[clarification needed units] (dihydrate) |
Related compounds | |
Other anions |
Technetium(IV) chloride |
Related compounds |
Technetium(VII) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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