ChemisThink!

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Across
  1. 3. Man's best friend
  2. 4. Mass, The sum of atomic masses of the elements in a compound.
  3. 6. Atomic Mass, An element's average mass.
  4. 9. Formula, Relative ratios of elements in a compound.
  5. 10. Coefficients, The numbers before the chemical formulas on the reactant and product side of the equation.
  6. 12. Number, The number of units in one mole of any substance.
  7. 13. Equation, Shows what happens in a chemical reaction.
  8. 14. Lower the energy needed for a reaction to occur but retain their chemical identities.
  9. 15. A unit of measurement that enables atoms to be counted by their mass.
Down
  1. 1. Formula, Exact number of atoms that form a compound.
  2. 2. Large marsupial
  3. 5. Flying mammal
  4. 7. Has a trunk
  5. 8. Likes to chase mice
  6. 11. Involve the burning of compounds in the presence of oxygen.