Intro to Chemistry

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Across
  1. 1. a substance that decreases the amount of H+ in solution
  2. 3. a substance that resists changes in pH
  3. 5. the average weight of an element
  4. 6. a substance that increases the amount of H+ in solution
  5. 10. atoms of the same element with variable numbers of neutrons
  6. 11. a covalent bond where electrons are shared equally
  7. 14. the gain of electrons of electron sharing
  8. 15. the loss of electrons or electron sharing
  9. 17. the outer electron shell
  10. 20. subatomic particle with a negative charge
  11. 22. a covalent bond where electrons are shared unequally
  12. 24. a substance that easily dissolves in water
  13. 27. water molecules sticking to other water molecules
  14. 29. the bond between a hydrogen with a partial positive charge and an anion or an atom with a partial negative charge
  15. 31. the dissolving substance
Down
  1. 2. water molecules sticking to other surfaces
  2. 4. unstable isotope that emits radiation
  3. 7. a substance that gets dissolved
  4. 8. stored energy due to position or arrangement
  5. 9. subatomic particle with a positive charge
  6. 12. an atom that has taken an electron from another atom
  7. 13. anything that has mass and takes up space
  8. 16. two or more atoms joined by ionic bonds
  9. 18. a substance that does not dissolve in water
  10. 19. the smallest unit of matter that retains the properties of the element
  11. 21. the energy of motion
  12. 23. a bond between a cation and an anion
  13. 25. an atom that has given an electron to another atom
  14. 26. a bond where electrons are shared
  15. 28. two or more atoms joined by covalent bonds
  16. 30. subatomic particle with no charge