periodic table project

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Across
  1. 3. This element has 26 protons and 30 neutrons
  2. 5. This group is nonflammable and Colorless,tasteless,and odorless
  3. 9. Mendeleev Arranged the periodic table by increasing atomic____
  4. 10. This element has 8 protons and 8 neutrons
  5. 11. _______ metals can form ions with multiple charges
  6. 12. Metals on the left of the periodic table form _____ ions
  7. 13. The number of valence electrons for a element is determined by its group on the _______
  8. 15. This element is shiny but brittle
  9. 16. Actinides include _______, which have 92 protons
  10. 19. This group is low in density and has a low melting point
  11. 20. This group is shiny, but start to tarnish upon exposure to air
  12. 23. This group is Highly reactive due to their ability to gain an electron
  13. 25. This group is good conductors of electricity and has 2 valence electrons in their outer shell
  14. 27. Gold is a _____ metal that is found in the bottom right of the periodic table
  15. 30. Transition Metals include ______, which have 79 protons and 118 neutrons
  16. 31. This type of element is shiny and high in density
Down
  1. 1. Arranged periodic table by increasing atomic number
  2. 2. This type of element is brittle and a poor conductor of heat and electricity
  3. 4. This group is Dense with high melting and boiling points
  4. 6. Given credit for the first periodic table
  5. 7. Halogens include ______, which have 9 protons and 10 neutrons
  6. 8. The number of dots in the Lewis Dot Symbol is the same as the number of ______ electrons
  7. 14. This element has 5 protons a 6 neutrons
  8. 17. Non-metals on the right of the periodic table form _____ ions
  9. 18. Alkaline Earth Metals include _____, which have 56 protons and 81 neutrons
  10. 21. Noble Gases include ______, which have 18 protons and 22 neutrons
  11. 22. Lanthanides include ______, which have 57 protons and 82 neutrons
  12. 24. Potassium is a ______ metal that is found in the bottom left of the periodic table
  13. 26. Alkali Metals included ______,which have 3 protons and 4 neutrons
  14. 28. This group can ignite spontaneously and reacts with hot water to make hydrogen
  15. 29. Elements in the same group typically form _____ with the same charge