The Atom

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Across
  1. 2. One of the two main types of bonding
  2. 3. Thompson's atomic theory
  3. 4. The reaction 2Na+2H2O ---> H2+2NaOH is what kind of reaction
  4. 9. The outer most electrons
  5. 11. The charged particles inside the nucleus
  6. 12. An ancient Greek who thought fire,water,wind,and earth made up elements
  7. 13. When heat is applied it will decompose and produce water vapor
  8. 14. Way to represent the geometry of molecules in their 2D/3D form
Down
  1. 1. The number of protons in an elements
  2. 2. For a reaction to occur a collision must take place
  3. 5. A reaction that requires energy to proceed
  4. 6. The name of Na3PO4
  5. 7. He examined the line emission spectrum of different elements
  6. 8. The type of bond where electrons are given away or accepted
  7. 10. Name the following compound CH4