Chemistry Vocabulary Review

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Across
  1. 2. Type of bond were electrons are transferred
  2. 5. The weakest bond
  3. 8. substance that accepts H+ ions and produces OH- ions
  4. 10. a solution that resists pH changes to aid in maintaining homeostasis
  5. 13. Atomic _____ is the combined weight of protons and neutrons.
  6. 14. substance that is dissolved
  7. 16. Positive subatomic particle.
  8. 17. Smallest unit of an element
  9. 18. Negatively charged subatomic particle.
  10. 19. substance that donates H+ ions
  11. 21. substance doing the dissolving
Down
  1. 1. Elements with same # of protons, but different # of neutrons.
  2. 3. the ____ scale measures the acidity or basicity of a solution
  3. 4. Type of bond where electrons are shared
  4. 6. Substance made of only one type of atom
  5. 7. Neutral subatomic particle.
  6. 9. a catalyst that speeds up a reaction
  7. 11. having both a positive and negative region
  8. 12. Atomic _____ is the number of protons in an element.
  9. 15. The minimum amount of energy needed to start a reaction is called _____ energy
  10. 20. charged atom or molecule