Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
Protactinium nitride is a binary inorganic compound of protactinium and nitrogen with the chemical formula PaN.[1][2][3]
^Modak, P; Verma, Ashok K; Svane, A; Christensen, N E; Sharma, Surinder M (22 January 2014). "Structural, vibrational, elastic and topological properties of PaN under pressure". Journal of Physics: Condensed Matter. 26 (3): 035403. arXiv:1308.3050. doi:10.1088/0953-8984/26/3/035403. PMID 24351318. Retrieved 8 February 2024.
^Murugan, A.; Priyanga, G. Sudha; Rajeswarapalanichamy, R.; Santhosh, M.; Iyakutti, K. (1 September 2016). "First principles study of structural, electronic, mechanical and magnetic properties of actinide nitrides AnN (An = U, Np and Pu)". Journal of Nuclear Materials. 478: 197–206. Bibcode:2016JNuM..478..197M. doi:10.1016/j.jnucmat.2016.06.016. ISSN 0022-3115. Retrieved 8 February 2024.
^Brooks, M. S. S.; Calestani, G.; Spirlet, J. C.; Rebizant, J.; Müller, W.; Fournier, J. M.; Blaise, A. (1 October 1980). "f-Electron contribution to bonding in protactinium compounds". Physica B+C. 102 (1): 84–87. Bibcode:1980PhyBC.102...84B. doi:10.1016/0378-4363(80)90132-1. ISSN 0378-4363. Retrieved 8 February 2024.
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Protactiniumnitride 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...
switching circuits, and infrared circuits. Semiconducting gallium nitride and indium gallium nitride produce blue and violet light-emitting diodes and diode lasers...
sodium borate, and the ultra-hard crystals of boron carbide and boron nitride. Boron is synthesized entirely by cosmic ray spallation and supernovae...
to create reactive uranium powder along with various uranium carbide, nitride, and halide compounds. Two crystal modifications of uranium hydride exist:...
(S4N4). The essentially covalent silicon nitride (Si3N4) and germanium nitride (Ge3N4) are also known: silicon nitride, in particular, would make a promising...
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...
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,...
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...
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...
primarily undergo alpha decay, except for 229U and 231U, which decay to protactinium isotopes via positron emission and electron capture, respectively; the...
be endothermic, so they do not form nitrides at standard conditions. Sodium nitride (Na3N) and potassium nitride (K3N), while existing, are extremely...
the ammoxidation of propylene to acrylonitrile. Molybdenum carbides, nitride and phosphides can be used for hydrotreatment of rapeseed oil. Ammonium...
oxygen) upon exposure to air, forming a black surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope...
resultant binary compounds are formally not bromides but rather oxides, nitrides, fluorides, or chlorides of bromine. (Nonetheless, nitrogen tribromide...
with most nonmetals upon heating, forming compounds such as aluminium nitride (AlN), aluminium sulfide (Al2S3), and the aluminium halides (AlX3). It...
to put out fires; combustion continues in nitrogen (forming magnesium nitride), in carbon dioxide (forming magnesium oxide and carbon), and in water...
photoconductors. Zinc selenide was the first material for blue LEDs, but gallium nitride dominates that market. Cadmium selenide was an important component in quantum...
nitrogen embrittlement, reacting with nitrogen from air and forming brittle nitrides at the high temperatures necessary to work the metal parts. Naturally occurring...
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...
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