Periodic Table

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Across
  1. 4. nonmetals ____ electrons
  2. 6. Boron is a _________
  3. 7. metals good conductors of heat and __________
  4. 9. oxygen is a ________
  5. 12. ____ are atoms with a charge
  6. 13. lanthanides reacts _________ with most nonmetals
  7. 14. atoms are charged when the ________ number changes
  8. 17. transition metals are _______ and mallable
  9. 19. Moseley arranged elements by increasing atomic ______
  10. 21. group 18
  11. 23. nonmetals are poor conductors of ____ and electricity
  12. 24. designed the modern periodic table
  13. 27. iron is a _____
  14. 28. metalloids contains __________ of both metals and nonmetals
  15. 29. reacts with water to form bases
Down
  1. 1. credited for designing the first periodic table
  2. 2. noble gases known for being the _____ reactive
  3. 3. halogens most ________ with nonmetals
  4. 5. group 1
  5. 8. noblegagses are _________, orderless, tasteless
  6. 10. elements 89-103
  7. 11. elements 58-71
  8. 15. groups 3-12
  9. 16. all actinides are __________
  10. 18. alkali metals contain the _______ atoms
  11. 20. alkali metals are known for being the ____ reactive
  12. 22. metals ____ electrons
  13. 23. group 17
  14. 25. maximum amount of dots in a Lewis Dot Structure is _____
  15. 26. the outermost electrons