Chemistry Semester 1 Review

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Across
  1. 2. element with atomic number 32
  2. 7. element with atomic mass 40
  3. 9. element with the highest ionization energy
  4. 10. family that will lose an electron to become a +1 ion
  5. 11. protection from provided by lead
  6. 13. used to clean out glassware
  7. 14. Place to put broken glass
  8. 15. family with 7 valence electrons
  9. 16. as the distance between protons and electrons decreases, the force of attraction will ____________
  10. 17. baking cookies is an example of ______________
  11. 19. electronegativity increases going to the _________ across the periodic table
  12. 20. element with the highest reactivity
  13. 21. most important lab safety item
  14. 23. subatomic particle with no charge
  15. 24. used to heat chemicals in the lab
  16. 27. family with full outer shells; nonreactive
  17. 28. positively charged subatomic particles
Down
  1. 1. moving from left to right on the periodic table, the atomic radius will ______________
  2. 3. decay that decreases the atomic mass by 4
  3. 4. cutting your hair is an example of _____________
  4. 5. used to exactly measure a liquid
  5. 6. process used in nuclear power plants
  6. 8. family that takes up the most room on the periodic table
  7. 12. calculated by adding the atomic number to the number of neutrons
  8. 18. same as the number of protons
  9. 20. element with the highest electronegativity
  10. 22. always produces an electron
  11. 25. discovered the nucleus through the Gold Foil Experiment
  12. 26. process that joins two smaller atoms