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"Periodic Videos" Lead - Periodic Table of Videos (TV Episode 2008) - Referenced in, Featured in, Spoofed and more...
Lead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and believed by the alchemists to be the oldest of metals, lead is
See Periodic Table. 2. a. Any of various, often graphitic compositions used as the writing substance in pencils. b. A thin stick of such material. 3. Bullets from or for firearms; shot: pumped the target full of lead. 4. A lead weight suspended by a line, used to make soundings....
LEAD IS A MEMBER of Group IVB of the periodic table with two oxidation states (Pb2+ and Pb4+), but the chemistry of the element is dominated by Pb2+ ion. Lead has four isotopes with three of them being the ultimate decay products of uranium (238U and 235U) and, therefore, widely us...
Source: Auction Contributor: Theodore Gray Acquired: 1 July, 2007 Text Updated: 1 July, 2007 Price: $1 Size: 3" Purity: 85% Click here to buy a book, photographic periodic table poster, card deck, or 3D print based on the images you see here!
Lead is a dense, relatively soft, malleable metal with low tensile strength. It is a poor conductor of electricity and heat. Lead has a face-centered cubic crystalline structure. It is below tin in Group 14 of theperiodic table. Although lead has a lustrous silver-blue appearance when freshl...
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Atomic symbol (on the periodic table of the elements): Pb Atomic weight (average mass of the atom): 207.2 Density: 11.342 grams per cubic centimeter Phase at room temperature: Solid Melting point: 621.4 degrees Fahrenheit (327.46 degrees Celsius) ...
Click here to buy a book, photographic periodic table poster, card deck, or 3D print based on the images you see here! Larger | Spin | 3D Cast lead disk. This simple cast lead disk was meant as a replacement lid for large lead pig. Source: Anonymous Contributor: Theodore Gray Acquired...