Exam Review

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Across
  1. 2. Outer-most electrons
  2. 9. 1- charge and 0 amu
  3. 10. The average atomic mass in grams
  4. 11. Elements that lose electrons easily
  5. 14. Mass containing Avogadro's number of atoms (2 words)
  6. 15. Most reactive nonmetals
  7. 16. 0.9 moles of carbon to nearest whole number
  8. 17. The type of change with no change in composition
  9. 19. The property of a metal (flatten out)
  10. 23. Number of chem bonds carbon forms
  11. 25. Made of alcohol and carboxylic acid
  12. 27. Mass/volume
  13. 28. The type of change with a change of composition
  14. 29. Neutral particle
  15. 30. The study of matter
  16. 31. Bond between two nonmetal or hydrogen and a nonmetal
  17. 34. Number of periods on the periodic table
  18. 35. Atoms of same element but different # neutrons
  19. 36. The density of water in g/mL
Down
  1. 1. Column 1A
  2. 3. Attraction among charged particles (2 words)
  3. 4. When one polymer chain is linked to another across from it (2 words)
  4. 5. Part of the definition of chemistry, how the atoms are put together
  5. 6. 2,8,8,2 electrons
  6. 7. Has a mass of 1 amu and 1+
  7. 8. SO₄ ²⁻
  8. 11. Sum of protons and neutrons (2 words)
  9. 12. NH₃
  10. 13. 0.7 for Fr and 4.0 for fluorine
  11. 18. Made from heating fat with a strong base
  12. 20. Elements that gain electrons easily
  13. 21. a molecule with positive and negative regions
  14. 22. Bond that forms hard, brittle compounds
  15. 24. The number of protons in the nucleus
  16. 26. Octet
  17. 32. Sodium sulfate
  18. 33. A string of many of the same kind of molecules