Semester 1 Crossword Extra Credit

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Across
  1. 1. Rapid chemical combination Of Oxygen Heat and light.
  2. 5. Breaking And changing size of a object.
  3. 8. Sub particle.Adam that has no charge and Found in the nucleus.
  4. 12. A pulse B Forms AB
  5. 15. A substance that undergoes change in a reaction.
  6. 16. A group of atoms that bear one or more positive or negative electrical charge.
  7. 17. table Has all the elements on it.
  8. 19. Two elements are substituted
  9. 20. Orbitals With a negative charge.
Down
  1. 2. One element is substituted for another.
  2. 3. Bond A bond that occurs when a nonmetal in a metal.
  3. 4. If the energy that went into breaking bonds is greater than the energy Exothermic reaction that release heat
  4. 6. element located on the right side of the perotic table
  5. 7. Rearrangement of atoms of one or more substance.
  6. 9. the degree of compactness of a substance.
  7. 10. A representation of a chemical reaction using symbols.
  8. 11. Equal numbers of protons.But different number of neutrons in their nucleus.
  9. 13. (of a reaction or process) accompanied by or requiring the absorption of heat.
  10. 14. The atoms and molecules produced by the action
  11. 18. Found.On the left side of the periodic table.