Sodium

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1. Group IA
   1. lithium (Li)
   2. rubidium (Rb),
   3. cesium (Cs)
   4. potassium (K)
   5. francium (Fr)
2. Symbol: Na
3. Sources:
   1. Occurs in sun and stars, when two carbon atoms fuse
      1. sixth most common element on sarth
4. Uses:
   1. Sodium Chloride - Salt
   2. Nuclear reactors
   3. Socdium carbonate - washing soda
5. Name comes from:
   1. Derived from soda,Na is an abbreviation of natrum, Latin for sodium
6. Atomic number: 11
   1. Number of protons: 11
   2. Number of electrons: 11
   3. Number of neutrons: 12
   4. Atomic mass: 22.989769