Chemistry Review Fall 2021

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Across
  1. 3. Subatomic particle that can be transferred and gives objects their charge.
  2. 5. A reaction that releases energy to the environment.
  3. 6. Type of bond between a metal and a nonmetal.
  4. 9. The building block of all matter.
  5. 10. Subatomic particle that is neutral.
  6. 11. How chemical families are arranged.
  7. 12. Electrons in the outermost energy level.
  8. 15. Subatomic particle that tells you what element it is.
Down
  1. 1. Multiple atoms bonded together.
  2. 2. Type of energy required to start a reaction.
  3. 4. Charge a proton has.
  4. 7. Charge an electron has.
  5. 8. Substance that progresses a reaction without being used up itself.
  6. 10. If the number of protons and electrons in an atom are equal.
  7. 13. Type of bond between nonmetal and nonmetal.
  8. 14. A reaction that absorbs energy from the environment.