Protactinium nitride is a binary inorganic compound of protactinium and nitrogen with the chemical formula PaN. The compound can be obtained from the...

Protactinium is a chemical element; it has symbol Pa and atomic number 91. It is a dense, radioactive, silvery-gray actinide metal which readily reacts...

Protactinium compounds are compounds containing the element protactinium (symbol: Pa). These compounds usually have protactinium in the +5 oxidation state...

sodium borate, and the ultra-hard crystals of boron carbide and boron nitride. Boron is synthesized entirely by cosmic ray spallation and supernovae...

Wayback Machine Wang, L.D.; Kwok, H.S. (2000). "Cubic aluminum nitride and gallium nitride thin films prepared by pulsed laser deposition". Applied Surface...

switching circuits, and infrared circuits. Semiconducting gallium nitride and indium gallium nitride produce blue and violet light-emitting diodes and diode lasers...

(S4N4). The essentially covalent silicon nitride (Si3N4) and germanium nitride (Ge3N4) are also known: silicon nitride, in particular, would make a promising...

to create reactive uranium powder along with various uranium carbide, nitride, and halide compounds. Two crystal modifications of uranium hydride exist:...

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

of protactinium. 233Pa has convenient half-life and energy of γ-radiation, and thus was used in most studies of protactinium chemistry. Protactinium-233...

alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most...

the ammoxidation of propylene to acrylonitrile. Molybdenum carbides, nitride and phosphides can be used for hydrotreatment of rapeseed oil. Ammonium...

Strontium metal burns in air to produce both strontium oxide and strontium nitride, but since it does not react with nitrogen below 380 °C, at room temperature...

burns in pure nitrogen gas, reacting at 800 °C (1,470 °F) to form titanium nitride, which causes embrittlement. Because of its high reactivity with oxygen...

of niobium enhances the strength of the steel by scavenging carbide and nitride. The temperature stability of niobium-containing superalloys is important...

J. D. G.; Olsen, C. E.; White, R. W. (1965). "Superconductivity of Protactinium". Physical Review Letters. 15 (22): 860. Bibcode:1965PhRvL..15..860F...

of crystalline phosphorus nitride decomposition at 1100 K. Similarly, H2PN is considered unstable, and phosphorus nitride halogens like F2PN, Cl2PN,...

hydrogen.) Crystal solids featuring pnictogens fully reduced include yttrium nitride, calcium phosphide, sodium arsenide, indium antimonide, and even double...

primarily undergo alpha decay, except for 229U and 231U, which decay to protactinium isotopes via positron emission and electron capture, respectively; the...

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...

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...

complicated formula [Zr4(OH)12(H2O)16]Cl8. Zirconium carbide and zirconium nitride are refractory solids. The carbide is used for drilling tools and cutting...

bromide – AlBr3 Aluminium carbide – Al4C3 Aluminium iodide – AlI3 Aluminium nitride – AlN Aluminium oxide – Al2O3 Aluminium phosphide – AlP Aluminium chloride...

be endothermic, so they do not form nitrides at standard conditions. Sodium nitride (Na3N) and potassium nitride (K3N), while existing, are extremely...

oxygen) upon exposure to air, forming a black surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope...

carbide, is a hard ceramic that is used in cutting tools. Tantalum(III) nitride is used as a thin film insulator in some microelectronic fabrication processes...

to put out fires; combustion continues in nitrogen (forming magnesium nitride), in carbon dioxide (forming magnesium oxide and carbon), and in water...

when 1400 °C is reached, atmospheric nitrogen also reacts to give the nitrides SiN and Si 3N 4. Silicon reacts with gaseous sulfur at 600 °C and gaseous...

with most nonmetals upon heating, forming compounds such as aluminium nitride (AlN), aluminium sulfide (Al2S3), and the aluminium halides (AlX3). It...

needed] Zinc selenide was the first material for blue LEDs, but gallium nitride dominates that market. Cadmium selenide was an important component in quantum...