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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about element number 82. Special submarines and heavy-duty glass -- learn all about lead in this lesson.
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
Atomic number 82; atomic weight 207.2; melting point 327.5°C; boiling point 1,749°C; specific gravity 11.35; valence 2, 4. 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...
1. A metal on the periodic table. This use of lead rhymes with bread. Lead was traditionally used to make paint and is now known to be toxic. Pencils are said to be filled with lead, but they are actually made with graphite. Lead has the symbol of Pb and atomic number of 82 on...
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Atomic number 82; atomic weight 207.2; melting point 327.5°C; boiling point 1,749°C; specific gravity 11.35; valence 2, 4. See Periodic Table. Lead Any of various, often graphitic compositions used as the writing substance in pencils. Lead A thin stick of such material. Lead Bullets ...
Answer to: Calculate the mass of 50.0 cm^3 of lead using the periodic table. By signing up, you'll get thousands of step-by-step solutions to your...
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...
Lead hand. An example of the element Lead Sample Image|Spin Video|QuickTimeVR Rotation Lead hand. Theodore Gray 11 March, 2007 Text Updated:12 March, 2007 Price: Size: Purity:>99% Sample Group:Medical