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41. Platinum: (Platinum (Pt)); MATERIAL OVERVIEW Characteristics: Silvery white ductile metal. Insoluble in mineral and organic acids, soluble in aqua regia. Attacked by fused alkalies. Does not corrode or tarnish. Heated platinum ...; Created on 11 July 2010
42. Potassium: (Potassium (K)); MATERIAL OVERVIEW Characteristics: Soft, silvery metal; rapidly oxidized in moist air. Soluble in liquid ammonia, aniline, mercury, and sodium. Hazards: Dangerous fire risk; reacts with moisture ...; Created on 11 July 2010
43. Palladium: (Palladium (Pd)); MATERIAL OVERVIEW Characteristics: Silver-white, ductile metal which does not tarnish in air. It is the least noble (most reactive) of the platinum group. Absorbs up to 800 times its own volume of ...; Created on 11 July 2010
44. Osmium: (Osmium (Os)); MATERIAL OVERVIEW Characteristics: Hard white metal of the platinum group. On heating in air it gives off poisonous fume of osmium tetroxide. Insoluble in acids and aqua regia. Osmium is ...; Created on 11 July 2010
45. Niobium: (Niobium (Nb)); MATERIAL OVERVIEW Characteristics: Gray or silvery, ductile metal; does not tarnish or oxidize at room temperature. Reacts with oxygen and halogens only when heated. Less corrosion-resistant than ...; Created on 11 July 2010
46. Neodymium: (Neodymium (Nd)); MATERIAL OVERVIEW Characteristics: Soft, malleable, grey, yellowish metal. Tarnishes easily. Liberates hydrogen from water, soluble in dilute acids. High electrical resistivity, paramagnetic. Readily ...; Created on 11 July 2010
47. Monel: (Monel); MATERIAL OVERVIEW Characteristics: Monel is a high tensile strength nickel-copper alloy that was discovered in 1905. It was found to be highly resistant to atmospheric corrosion, salt water, as well ...; Created on 10 July 2010
48. Nickel 200-201: (Nickel Alloys); MATERIAL OVERVIEW Nickel 200/201 is commercially pure (99.6%) wrought nickel. It has good mechanical properties and excellent resistance to many corrosive environments. Other useful features ...; Created on 10 July 2010
49. Manganese: (Manganese (Mn)); MATERIAL OVERVIEW Characteristics: Pure manganese is a hard, very brittle metal which cannot be fabricated. Like iron, it will tarnish in air and rusts in the presence of moisture. Due to its reactivity, ...; Created on 10 July 2010
50. Molybdenum: (Molybdenum (Mo)); MATERIAL OVERVIEW Characteristics: Gray metal or black powder. Does not occur free in nature. A necessary trace element in plant nutrition. Insoluble in hydrochloric or hydrofluoric acid, ammonia, ...; Created on 10 July 2010