Neptunium(III) bromide is a bromide of neptunium, with the chemical formula of NpBr3. Neptunium(III) bromide can be prepared by reacting neptunium dioxide...

Al2O3 + 3 I2 Neptunium(III) iodide is a hygroscopic brown solid with a melting point of 767 °C. It is orthorhombic (plutonium(III) bromide structure),...

Neptunium is a chemical element; it has symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. It is...

metallic neptunium: Np + 2Br2 → NpBr4 Also, a reaction of aluminum bromide with neptunium(IV) oxide: 3NpO2 + 4AlBr3 → 3NpBr4 + 2Al2O3 Neptunium tetrabromide...

Neptunium(III) fluoride or neptunium trifluoride is a salt of neptunium and fluorine with the formula NpF3. Neptunium(III) fluoride can be prepared by...

NpBr3 neptunium(III) bromide 20730–39–6 NpBr4 neptunium(IV) bromide 15608–32–9 NpCl3 neptunium(III) chloride 20737–06–8 NpCl4 neptunium(IV) chloride 15597–84–9...

While it is rather rare in the Earth's crust, the high solubility of the bromide ion (Br−) has caused its accumulation in the oceans. Commercially the element...

Americium(II) bromide − AmBr2 Americium(III) bromide − AmBr3 Americium(II) chloride − AmCl2 Americium(III) chloride – AmCl3 Americium(III) fluoride − AmF3...

solutions of uranium III, IV, V, VI salts Aqueous solutions of neptunium III, IV, V, VI, VII salts Aqueous solutions of plutonium III, IV, V, VI, VII salts...

including calcium fluoride, sodium chloride (common table salt), silver bromide and potassium iodide. The group of halogens is the only periodic table...

National Laboratory) of the University of Chicago. Following the lighter neptunium, plutonium, and heavier curium, americium was the fourth transuranium...

Neptunium compounds are compounds containg the element neptunium (Np). Neptunium has five ionic oxidation states ranging from +3 to +7 when forming chemical...

plutonium and neptunium, but significantly higher than that of americium, uranium, polonium and thorium. Under ultraviolet illumination, curium(III) ions show...

zincblende (cubic) or wurtzite (hexagonal) form. This group is also known as the III-V family of compounds. The Heusler structure, based on the structure of Cu2MnAl...

solid with a melting point of 777 °C. It is orthorhombic (plutonium(III) bromide structure), space group Ccmm (No. 63), lattice parameters a = 433 pm...

presence of potassium bromide (KBr). These compounds are used in photography to bleach silver images, converting them to silver bromide that can either be...

by acids and alkalis. Indium(I) compounds are not common. The chloride, bromide, and iodide are deeply colored, unlike the parent trihalides from which...

Neptunium(V) fluoride or neptunium pentafluoride is a chemical compound of neptunium and fluorine with the formula NpF5. Neptunium(V) fluoride can be prepared...

Metallic Compounds on the Reaction between Isophorone and Methylmagnesium Bromide". Journal of the American Chemical Society. 63 (9): 2308–2316. doi:10.1021/ja01854a005...

uranium, neptunium, plutonium, curium and berkelium. Einsteinium(II) compounds can be obtained, for example, by reducing einsteinium(III) with samarium(II)...

white europium(III) fluoride (EuF3), yellow europium(III) chloride (EuCl3), gray europium(III) bromide (EuBr3), and colorless europium(III) iodide (EuI3)...

when 238U captures a neutron but emits two more, which then decays to neptunium-237; uranium-236, which occurs in trace quantities due to neutron capture...

Thallium(III) sesquichalcogenides do not exist. The thallium(I) halides are stable. In keeping with the large size of the Tl+ cation, the chloride and bromide...

December 2004 Eick, Harry A.; Mulford, R. N. R. (1969). "Americium and neptunium borides". Journal of Inorganic and Nuclear Chemistry. 31 (2): 371. doi:10...

Newton, T W (1969). "Kinetics of the reaction between vanadium(II) and neptunium(IV) in aqueous perchlorate solutions". J. Phys. Chem. 73 (6): 1741–1746...

protactinium(IV) fluoride and dodecahedral in the chloride and bromide. Brown-colored protactinium(III) iodide has been reported, where protactinium ions are...

and is isostructural with UF4. Neptunium(IV) fluoride can be prepared by reacting neptunium(III) fluoride or neptunium dioxide with a gas mixture of oxygen...

can participate in chemical reactions, although this is not common for neptunium and plutonium. A thorium atom has 90 electrons, of which four are valence...

December 1949. Berkelium was the fifth transuranium element discovered after neptunium, plutonium, curium and americium. The major isotope of berkelium, 249Bk...

reacts with bromine at 140 °C to form a combination of gold(III) bromide AuBr3 and gold(I) bromide AuBr, but reacts very slowly with iodine to form gold(I)...