Balancing Chemical Equations

12345678910
Across
  1. 2. what the arrow means in a chemical equation
  2. 4. elements or compounds which exist prior to a chemical reaction
  3. 5. a group of atoms bonded together
  4. 8. basic unit of a chemical element
  5. 10. when there is not the same amount of atoms on both sides of the equation
Down
  1. 1. new substances that are created by rearranging of atoms after a chemical reaction
  2. 3. a statement with 2 sides that have -> in the middle
  3. 6. represents the # of molecules in a chemical equation
  4. 7. these describe the # of atoms in a molecule
  5. 9. same amount of atoms and molecules in both sides of the equation