ICP Chapter 16 Review

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Across
  1. 2. The model of the atom that says electrons travel in fixed orbits
  2. 3. Where the electrons are located in an atom
  3. 6. Particles that make up protons and neutrons
  4. 8. The particle which determines what element it is
  5. 10. Horizontal row on the periodic table
  6. 12. The number of quarks which have been found
  7. 15. Group 18 elements are called _______ gasses
  8. 17. The physicist who discovered the nucleus
  9. 18. The number of protons in Boron
  10. 20. If an atom was the size of a stadium, the nucleus would be the size of a
  11. 22. The category of elements contained on the left side of the periodic table
  12. 23. A repeating pattern
Down
  1. 1. Vertical column on the periodic table
  2. 4. The most common form for non-metals besides gas
  3. 5. An element with very similar properties to Neon
  4. 7. The only particle in an atom without charge
  5. 9. The mass number (atomic mass) of an atom containing 6 protons and 7 neutrons
  6. 11. The most common form for metals
  7. 13. The element in the 5th period & the 13th group
  8. 14. The type of element between metal and non-metal
  9. 16. The number of neutrons in a typical Flourine atom
  10. 19. Most of an atom is made up of _______ space
  11. 21. The positively charged center of an atom