Promethium nitride is a binary inorganic compound of promethium and nitrogen with the chemical formula PmN. PmN crystals are of cubic system with Fm3m...

Pr2S3 Promethium(III) chloride – PmCl3 Promethium(III) oxide – Pm2O3 Promethium(III) bromide – PmBr3 Promethium(III) carbonate – Pm2(CO3)3 Promethium(III)...

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

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

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

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

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

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...

and 1:1 complexes with 18-crown-6, whereas the middle lanthanides from promethium to gadolinium can only form the 4:3 complex and the later lanthanides...

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...

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...

metal Potassium Potassium nitrate Pourbaix diagram Praseodymium Prehnite Promethium Propane Protactinium Protein Proton Pumice Pumicite Purine Putrescine...

Lighter unstable isotopes of samarium mainly decay by electron capture to promethium, while heavier ones beta decay to europium. The known isotopes range from...

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

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

curium-242, curium-244 and strontium-90 have been used. Tritium, nickel-63, promethium-147, and technetium-99 have been tested. There are two main categories...

with the formula [Zr4(OH)12(H2O)16]Cl8. Zirconium carbide and zirconium nitride are refractory solids. Both are highly corrosion-resistant and find uses...

powdered and heated to just below the melting point, forming Magnesium nitride Mg3N2. Magnesium reacts with water at room temperature, though it reacts...

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

and iodine (SiI4). Silicon also forms a dioxide and a disulfide. Silicon nitride has the formula Si3N4. Germanium forms five hydrides. The first two germanium...

100 K (830 °C). Similarly, H2PN is considered unstable, and phosphorus nitride halogens like F2PN, Cl2PN, Br2PN, and I2PN oligomerise into cyclic polyphosphazenes...

elements were still missing from the periodic table: 43 (technetium), 61 (promethium), 85 (astatine), and 87 (francium) are radioactive elements and are only...

orthophosphate minerals LnPO 4 (Ln denotes a mixture of all the lanthanides except promethium), loparite-(Ce) is an oxide, and xenotime is an orthophosphate (Y,Yb,Er...

form a black coating of lithium hydroxide (LiOH and LiOH·H2O), lithium nitride (Li3N) and lithium carbonate (Li2CO3, the result of a secondary reaction...

needed] Zinc selenide was the first material for blue LEDs, but gallium nitride dominates that market. Cadmium selenide can be used to make quantum dots...

behaves much like a halide ion (pseudohalogen). For example, it can form the nitride cyanogen molecule ((CN)2), similar to diatomic halides. Likewise, the heavier...

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

problem with this material is that after release of H2, the resulting boron nitride does not re-add H2, i.e. ammonia borane is an irreversible hydrogen carrier...

but Henry Enfield Roscoe showed that Berzelius had produced the nitride, vanadium nitride (VN). Roscoe eventually produced the metal in 1867 by reduction...

than "scarce", cerium is almost as abundant as copper; on the other hand promethium, with no stable or long-lived isotopes, is truly rare. * Between initial...