Dictionary,Defintion,Meaning,What is Mischmetal,Molybdenum,Mineral acid,Mineral colour,Mole,Molecular crystal,Molecular mass

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Home >> Inorganic Chemistry Dictionary >> Mischmetal Molybdenum

Your Ad Here	Mineral acid the term used for a common inorganic acid, such as hydrochloric acid, sulphuric acid, or nitric acid. Mineral colour inorganic pigments like Prussian blue, chrome yellow, iron buff etc. They are used for colouring paints paper and plastics.
Mischmetal an alloy of approximate composition La (25%) Ce (50%), Nd (20%) with some iron, prepared by electrolysis of fused lanthanide chlorides. Used to improve thee malleability of cast iron and to improve the mechanical properties of Mg alloys. Small particles of the alloys. Small particles of the alloys are pyrophoric and ignite in air. Used in lighters to ignite fuels and on tracer bullets. Mispickel, arsenopyrite Fe AsS a whitish common mineral. A principal source of As.
Mole symbol mol. The SI unit of amount of substance. It may be defined as equal to the amount of substance that contains as many elementary units as there are atoms in 0.012 kg of carbon -12. The elementary units may be atoms, molecules, ions, radicals, electron, etc. and must be specified. I mole of a compound has a mass equal to its relative molecular mass expressed in grams. Molecular crystal a crystal that has molecules or individual atoms at the lattice points.	Your Ad Here
Molecular mass the number of times a mole of the compound is heavier than 1/12 th of the mass of carbon-12, is known as molecular mass. It is equal to the sum of the atomic masses of all the atoms present in one molecule of the substance. E.g. molecular mass of hydrogen (H₂) is two and that of H₂O (water) is 18. Molecular spectrum refers to the absorption or emission spectrum that is characteristic of a molecule. Molecular spectra have been usually band spectra.
Your Ad Here	Molybdate a salt derived from a molybdic acid. Molybdenum a transition element that is found naturally in molybdenite (MoS₂). It is used in alloy steels and in lamp bulbs. The compound ammonium molybdate, dissolved in nitric acid, finds use as a test for phosphates (V). Symbol: Mo; m.p. 2620°C; b.p.4800°C; r.d. 10.2: p.n. 42; r.a.m. 95.94.

Molybdenum dioxide
MoO₂, lead-gray powder; insoluble in hydrochloric and hydrofluoric acid, used in pigment for textiles.

Molybdenum disilicide
MoSi₂, a dark grey, crystal line powder with a melting range of 1870-2030°C; soluble in hydrofluoric and nitric acids; used in electrical resistors and for protective coatings for high-temperature conditions.

Molybdenum disulphide
MoS₂, a black lustrous powder, melting at 1185°C, insoluble inwater, soluble in aqua regia and concentrated sulphuric acid; used as a dry lubricant and an additive for greases and oils. Also known as molybdenum sulphide; molybdic sulphide.

Molybdenum pentachloride
MoCl₅, hygroscopic gray-black needles melting at 194°C; reacts with water and air; soluble in anhydrous organic solvents; used as a catalyst and as raw material to make molybdenum hexacarbonyl.

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Part 3 Mercury - Mercury II Sulphide Metal Carbonyls - Metallography Mischmetal - Molybdenum Mond Process - Monotropy Neodymium - Nichrome Nickel Carbonyl - Niobic Acid Nitrate (Saltpetre) - Nitrogen Solution Nitroso Sulphuric Acid - Nuclear isomers Octahedral Coordination - Open Shell Compound Organometallic Compounds - Osmic Acid Oxidising Agent (Oxidant) - Oxygen Absorbent Palladium Oxide - Pearl Hardening Periodic Law - Phosphagen Phosphonic Acid - Phosphorus Oxychloride Phosphorus Trichloride - Photosynthetic Pigments Polar Bond - Polar Solvent Polyatomic - Potassium Bifluoride Potassium Carbonate - Potassium (I) Fluoride Potassium Iodate(KIO₃) - Potassium Tetraiodocadmate Pseudohalogens - Radioactive Decay Rare Earth Salts - Relative Molecular Mass