Chemical Reactions and Bonding

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Across
  1. 3. reaction, the process of matter being changed into a new form of matter using the same elements.
  2. 5. slows down the rate of a chemical reaction
  3. 7. Equation, tells what takes place during a chemical reaction.
  4. 8. a number at the beginning of a chemical formula that represent the number of molecules present.
  5. 9. of Conservation of Matter, regardless of how substances within a closed system change mass remains the same
  6. 10. a small number in a chemical formula that represents the number of atoms for a single element
  7. 12. the subatomic particles that atoms gain, lose, or share to form compounds.
Down
  1. 1. bonding, the attractive force that give atoms the ability to stay together.
  2. 2. Energy, the amount of energy needed to start a chemical reaction
  3. 3. change, when matter goes through a chemical reaction and turns into a different form of matter.
  4. 4. bond, when two nonmetallic elements react to form a compound.
  5. 6. bond, when a metallic element reacts with a nonmetallic element.
  6. 7. increases the rate of a chemical reaction
  7. 11. two or more different elements chemically bonded together.