Periodic Table Project Puzzle 1

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Across
  1. 4. Nonmetals become ________ after gaining electrons.
  2. 5. Moseley arranged the modern periodic table by increasing atomic _______.
  3. 6. Cerium is found in this periodic table group.
  4. 7. The least reactive Alkali metal.
  5. 8. What is the ionic charge of Gallium
  6. 10. Nonmetals are ____ conductors of heat and electricity.
  7. 14. Cobalt is in this periodic table group.
  8. 15. Metals are more reactive as you go _______ the group.
  9. 16. These types of elements are dense and have a high melting point.
  10. 17. The actinites are all _______.
  11. 18. The ionic charge is dependent on the number of ________ electrons transferred.
  12. 20. A metal in period 2.
  13. 22. Valence electrons are found the _________ electron shell.
  14. 23. Uranium is found in this periodic table group.
  15. 24. Transition metals comes from the _____ of the earth’s crust.
  16. 25. The charge of Alkaline earth metals.
  17. 26. Most reactive nonmetals.
  18. 27. This group is colorless, odorless, and tasteless.
  19. 29. Helium is _______ because it has full valence shell.
Down
  1. 1. A metalloid on the periodic table
  2. 2. Neon is this type of element.
  3. 3. Created the first published periodic table.
  4. 4. Calcium is in this periodic table group.
  5. 9. Developed the first periodic table, but didn't get credit due to incompleteness.
  6. 11. This group has elements that are extremely soft and the largest in its period.
  7. 12. This is an element in the Halogen group.
  8. 13. Metals ions are _____________ charged
  9. 19. The lanthanides are known as these
  10. 21. These elements contain properties of both metals and nonmetals.
  11. 28. The maximum number of dots on the Lewis Dot Structure of an atom