Bonds & Reactions

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Across
  1. 4. the least reactive group of elements
  2. 8. the same thing as a hydrogen ion
  3. 9. attractive forces between molecules
  4. 12. the building blocks of matter
  5. 17. burning; a reaction with O2
  6. 18. elements with properties in between metals and nonmetals
  7. 19. A chemical that releases hydrogen ions (H+) when dissolved in water
  8. 21. a charged atom
  9. 22. the little numbers within a chemical formula
  10. 23. the meaning of the delta symbol (triangle) above the arrow
  11. 24. an atoms outermost electrons
  12. 25. the bond between a metal atom and a nonmetal atom
  13. 26. the substances that you produce in a chemical reaction
Down
  1. 1. ___________ ions are made of more than one atom covalently bonded together
  2. 2. atoms are not created or _________ during chemical reactions
  3. 3. the most reactive group of metals
  4. 5. a substance added to a chemical reaction to increase the reaction rate
  5. 6. the bond between two nonmetal atoms
  6. 7. molecules where the charge isn’t spread out equally
  7. 10. the substances that you start with in a chemical reaction
  8. 11. the type of reaction where a compound breaks down into simpler substances
  9. 13. the bond between two metal atoms
  10. 14. the most reactive group of nonmetals
  11. 15. the type of reaction where two substances are combined to make a new substance
  12. 16. the large numbers in front of each formula in a reaction equation
  13. 18. a group of atoms covalently bonded together
  14. 20. the diatomic elements