Periodic Table Crossword

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Across
  1. 4. ________
  2. 7. Electrons _________ are the electrons in the highest energy level
  3. 9. Calcium is a type of _
  4. 11. Dot Structure _________ provide a way to visualize an atom's structure and potential to bond.
  5. 13. Metals become positive ions called _______
  6. 17. ________ is a type of transition metal
  7. 19. Metals _______ React with water to form bases
  8. 21. Metals ________ electrons
  9. 23. Arranged elements in order of increasing the atomic number
  10. 24. ________ is a type of halogen
  11. 26. Metals has a ______ melting point
  12. 27. _________ is a type of noble gas
  13. 28. Metalloids can be ________ or dull
  14. 29. Hydrogen is a type of _
  15. 30. ________ is a type of alkaline earth metal
Down
  1. 1. Earth Metals _________ react with water to form bases
  2. 2. Credited for creating the first periodic table
  3. 3. _________ is a type of lanthanide
  4. 5. Nonmetals ______ electrons
  5. 6. ______ contain the largest atoms in the period (row)
  6. 8. _______ have high melting and boiling points
  7. 10. Nonmetals became negative ions called ______
  8. 12. Nonmetals are _______ conductors of heat and electricity
  9. 14. First person who developed the periodic table but not credited due to incompleteness
  10. 15. ________ is a type of alkali metals
  11. 16. _________ are the most reactive nonmetals
  12. 18. Metals __________ have multiple oxidation states
  13. 20. ________ are the most reactive metals
  14. 22. _________ is a type of actinide
  15. 23. Silicon is a type of _
  16. 25. Gases _____ have full valence electron shells