Sodium


 * Element Name:** Sodium


 * Element Symbol:** Na


 * Atomic Mass:** 11[[image:Sodium_Brittany.png width="216" height="288" align="right"]][[image:Sodium.gif width="288" height="216" align="right"]]


 * Atomic Number:** 11


 * Protons:** 11


 * Electrons:** 11


 * Discovery:** Sir Humphry Davy in 1807.


 * How It Was Named:** From an English word soda and Medieval word Sodanum.


 * State of Matter:** Solid


 * Melting Point:** 97.80°C


 * Boiling Point:** 883°C


 * Characteristics:**
 * Sodium is violently reactive with water.
 * At room temperature, sodium metal is soft enough to be cut with a knife.
 * Sodium is a fairly good conductor of heat.


 * Uses of Element:**
 * Sodium vapor is used in streetlights and gives off the bright yellow color.
 * Some soap can be made out of sodium.

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 * Interesting Facts:**
 * When burned sodium gives off a bright yellow color.
 * Sodium is used in fireworks.