Protactinium tetraiodide is a binary inorganic compound of protactinium metal and iodine with the chemical formula PaI4. Protactinium tetraiodide can...

tetraiodide, GeI4 Iridium tetraiodide, IrI4 Niobium tetraiodide, NbI4 Platinum tetraiodide, PtI4 Polonium tetraiodide, PoI4 Protactinium tetraiodide,...

and iodine, or by reacting protactinium(V) chloride, protactinium(V) bromide or protactinium(V) oxide with silicon tetraiodide. It reacts with antimony...

the periodic table, it lies to the right of actinium, to the left of protactinium, and below cerium. Pure thorium is very ductile and, as normal for metals...

The boiling points are lower at reduced pressure. The gaseous metal tetraiodide is decomposed on a white hot tungsten filament (1400 °C). As more metal...

forms only rhenium pentabromide and iodine can achieve only rhenium tetraiodide. By the same token, however, since iodine has the lowest ionisation energy...

tetrabromide, OsBr4 Platinum tetrabromide, PtBr4 Polonium tetrabromide, PoBr4 Protactinium tetrabromide, PaBr4 Selenium tetrabromide, SeBr4 Silicon tetrabromide...

insoluble residue, probably ThO(OH, Cl)H is left behind, similarly to protactinium and uranium. Finely divided thorium metal presents a fire hazard due...

 208–218 (doi:10.1002/bbpc.19180241107). Lise Meitner, Otto Hahn: Über das Protactinium und die Frage nach der Möglichkeit seiner Herstellung als chemisches...

stable, molybdenum does not form a stable hexachloride, pentabromide, or tetraiodide. Like chromium and some other transition metals, molybdenum forms quadruple...

Mukaiyama aldol condensation. In the van Arkel–de Boer process, titanium tetraiodide (TiI4) is generated in the production of high purity titanium metal....

temperature, lead tetrabromide is less stable still, and the existence of lead tetraiodide is questionable. Some lead compounds exist in formal oxidation states...

– CBr4 Carbon tetrachloride – CCl4 Carbon tetrafluoride – CF4 Carbon tetraiodide – CI4 Carbonic acid – H2CO3 Carbonyl chloride – COCl2 Carbonyl fluoride...

the maximum known being in the pentaiodides of niobium, tantalum, and protactinium. Iodides can be made by reaction of an element or its oxide, hydroxide...

de Boer were the first to prepare metallic hafnium by passing hafnium tetraiodide vapor over a heated tungsten filament in 1924. The long delay between...

and forms a dibromide and a diiodide, although the tetrabromide and tetraiodide of lead are unstable. Lead forms four oxides, a sulfide, a selenide,...

rhenium are also well known, including rhenium pentabromide and rhenium tetraiodide. Like tungsten and molybdenum, with which it shares chemical similarities...

de Boer were the first to prepare metallic hafnium by passing hafnium tetraiodide vapor over a heated tungsten filament in 1924. This process for differential...

involves the formation and subsequent thermal decomposition of zirconium tetraiodide (ZrI4), and was superseded in 1945 by the much cheaper Kroll process...

Freeman, J. H. (1956). "657. The polonium halides. Part III. Polonium tetraiodide". Journal of the Chemical Society (Resumed): 3385–3389. doi:10.1039/JR9560003385...

PaBr4 protactinium(IV) bromide 13867–42–0 PaBr5 protactinium(V) bromide 15608–38–5 PaCl4 protactinium(IV) chloride 13867–41–9 PaCl5 protactinium(V) chloride...

thiogermanates. Four tetrahalides are known. Under normal conditions germanium tetraiodide (GeI4) is a solid, germanium tetrafluoride (GeF4) a gas and the others...