| Identification | |
| Properties | |
| Melting Point: | 2157 deg C |
| Boiling Point: | 4265 deg C |
| Density: | 0.92 |
| Solubility: | Dissolves in nitric acid, aqua regia, and concentrated sulfuric acid; not soluble in hydrochloric acid of any strength |
| Appearance: | clear yellow viscous liquid |
| Color: | Close-packed hexagonal structure; isomorphous with rhodium, ruthenium, and osmium Technetium obtained by hydrogen reduction of ammonium pertechnate is a silver-gray spongy mass which tarnishes slowly in moist air |
| Safety Data | |
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