Vocab 5

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Across
  1. 1. The process or effect of simplifying a single chemical entity into two or more fragments
  2. 9. Matter cannot be created nor destroyed the same # and type of atoms must be present after the chemical reaction
  3. 11. A representation of a chemical reaction using symbols of the element to indicate the amount of a substance
  4. 13. A compound of hydrogen and carbon
  5. 15. Simplest form of the equation/reaction
  6. 16. A chemical process in which a substance reacts rapidly w/ oxygen and gives off heat
  7. 19. Ion that contains more than one atom
  8. 20. Process that leads to the chemical transformation of one set of chemical substance to another
Down
  1. 2. Tells us the number of atoms of each element in a compound
  2. 3. Number that comes after a symbol and below
  3. 4. Indicates that the reaction goes from the reactants to products
  4. 5. Substances formed due to chemical substances
  5. 6. Number in front of the formula
  6. 7. Positive or negative charge of an ion depends on e- configuration and # of valence e-
  7. 8. A reaction in which one element replaces a similar element in a compound
  8. 10. A substance that takes part in and undergoes change during a reaction
  9. 12. The construction of complex chemical compounds from simpler ones
  10. 14. An equation for a chemical reaction in which the # of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
  11. 17. Set of rules to generate systematic names for compounds
  12. 18. A chemical reaction where two reactant iconic compounds exchange with the same ions