1) " Platinum" -- As it applies to Platinum Jewelry Platinmu is also a certification by the RIAA and other world recording industries, see: RIAAcertification Iridium - Platinum - Gold Pd Pt Ds Fulltable General Name, Symbol, Number Platinu , Pt, 78 Chemical series transition metals Group, Period, Block 10, 6, d Density, Hardness 21450 kg/m³, 3.5 Appearance grayish white Atomic properties Atomic weight 195.078 amu Atomic radius (calc.) 135 (177) pm Covalent radius 128 pm van der Waals radius 175 pm Electron configuration [ Xe ]4 f 14 5d 9 6 s ¹ e - 's per energylevel 2, 8, 18, 32, 17, 1 Oxidation states ( Oxide ) 2, 4 (mildly basic ) Crystal structure Cubic face centered Physical properties State of matter solid ( paramagnetic ) Melting point 2041.4 K (3214.9 ° F ) Boiling point 4098 K (6917 °F) Molar volume 9.09 × 10 -6 m³/mol Heat of vaporization 510 kJ/mol Heat of fusion 19.6 kJ/mol Vapor pressure 0.0312 Pa at 2045 K Speed of sound 2680 m/s at 293.15 K Miscellaneous Electronegativity 2.28 ( Pauling scale ) Specific heat capacity 130 J/(kg·K) Electrical conductivity 09.66 10 6 /(m· ohm ) Thermal conductivity 71.6 W/(m·K) 1 st ionization potential 870 kJ/mol 2 nd ionization potential 1791 kJ/mol Most stable isotopes iso NA half-life DM DE M eV DP 190 Pt 0.01% 6.5 E11 y α 3.249 186 Os 192 Pt 0.79% Pt is stable with 114 neutrons 193 Pt {syn.} 50 y ε 0.057 193 Ir 194 Pt 32.9% Pt is stable with 116 neutrons 195 Pt 33.8% Pt is stable with 117 neutrons 196 Pt 25.3% Pt is stable with 118 neutrons 198 Pt 7.2% Pt is stable with 120 neutrons SI units & STP are used except wherenoted. P...
2) " Jewelry" -- As it applies to Platinum Jewelry Jewellery (spelled jewelry in American English )consists of ornamental devices worn by persons, typically made with gems and precious metals. Costume jewellery is made from less valuable materials. However, jewellery can and has been made out ofalmost every kind of material. Examples include bracelets, necklaces, rings, and earrings, as well as items like hair ornamentsor body piercing jewellery. The word is derived from the word "jewel", which was anglicised from the OldFrench "jouel" in around the 13th century. Further tracing leads back tothe Latin word "jocale", meaning plaything. Jewellery, particularly when made with precious materials, is generally considered valuable and desirable. Some cultures havea practice of keeping large amounts of wealth stored in the form of jewellery. Jewellery can also be symbolic, as in the case of Christians wearing a crucifix in the form of jewellery, or, as is the case in many Western cultures, married people wearing a wedding ring.Jewellery in various forms has been made and worn by both sexes in almost every (if not every) human culture, on everyinhabited continent. Personal adornment seems to be a basic human tendency. In rare cases jewellery is also used for (at least some) modesty, e.g. to coverthe nipples. In the city of Jablonec in the North Bohemia region of the Czech Republic a large amount ofjewellery for the world is being manufactured. See also Goldsmithing eJwelry ...
Common terms in this field are:
Platinum Earrings, Platinum Alloy, Plastic Picture Frames, Plastic Dividers, Plantar Fasciitis, Plan B, Pittsburgh Post Gazette Steelers, Pipe Hangers, Pipe Cutter, Pioneer Projection Tv, Pioneer Pdp 4330, Pioneer Dvr 7000, Pioneer Dj, Pinworm Cure, Pine Siding, Pillow Top Mattress Pad, Pilates Exercises, Physician Search, Physician Assistant Schools, Photo Tripod
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