Lead


 * Element Name:** Lead


 * Element Symbol:** Pb


 * Atomic Mass:** 207[[image:Lead.png width="216" height="288" align="right"]]


 * Atomic Number:** 82


 * Protons:** 207


 * Electrons:** 207


 * Discovery:** 6400 BC


 * How it was named:** The abbreviation "Pb" is actually plumbum. Plumbum is Latin for liquid silver.


 * State of Matter:** Solid


 * Melting Point:** 327.46° C


 * Boiling Point:** 1749° C


 * Characteristics:** Bright, silvery, soft, poisonous, dense


 * Uses:** metal and dioxide are used in storage batteries, oxide used for fine crystal glass, shield against x-ray


 * Interesting Facts:** Lead poisoning has been documented back in ancient Rome, ancient Greece, and ancient China. Alchemists believed lead is the oldest metal. Powered lead burns in flame.

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