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Periodic Table Review

Periodic Table Review. Question 1:. Who stated the principle of Periodic Law?. Answer 1:. Mendeleev. Question 2:. What is periodic Law?. Answer 2:. When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties.

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Periodic Table Review

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  1. Periodic Table Review

  2. Question 1: • Who stated the principle of Periodic Law?

  3. Answer 1: • Mendeleev

  4. Question 2: • What is periodic Law?

  5. Answer 2: • When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties.

  6. Question 3: • What are Valence Electrons?

  7. Answer 3: • Electrons in the outermost energy level

  8. Question 4: • Elements with the same number of valence have similar ____________________.

  9. Answer 4: • Properties

  10. Question 5: • What are the vertical columns called?

  11. Answer 5: • Groups

  12. Question 6: • What are the horizontal rows called?

  13. Answer 6: • Periods

  14. Question 7: • What group numbers are the main group metals?

  15. Answer 7: • Groups 1 and 2

  16. Question 8: • What are the main group elements sometimes referred to as?

  17. Answer 8: • Representative elements

  18. Question 9: • What group number are the alkali metals?

  19. Answer 9: • Group 1

  20. Question 10: • What group number are the alkaline earth metals?

  21. Answer 10: • Group 2

  22. Question 11: • What group number are the halogens?

  23. Answer 11: • Group 17

  24. Question 12: • What group number are the noble gases?

  25. Answer 12: • Group 18

  26. Question 13: • What elements are the alkali metals?

  27. Answer 13: • Lithium • Sodium • Potassium • Rubidium • Cesium • Francium

  28. Question 14: • What elements are the alkaline earth metals?

  29. Answer 14: • Beryllium • Magnesium • Calcium • Strontium • Barium • Radium

  30. Question 15: • What elements are the halogens?

  31. Answer 15: • Fluorine • Chlorine • Bromine • Iodine • Astatine

  32. Question 16: • What elements are the noble gases?

  33. Answer 16: • Helium • Neon • Argon • Krypton • Xenon • Radon

  34. Question 17: • How many valence electrons do alkali metals have?

  35. Answer 17: • 1 valence electron

  36. Question 18: • Why can the alkali metals not be found alone?

  37. Answer 18: • Because they are so reactive

  38. Question 19: • How many valance electrons do alkaline earth metals have?

  39. Answer 19: • 2 valence electrons

  40. Question 20: • Are halogens metals or nonmetals?

  41. Answer 20: • Nonmetals

  42. Question 21: • When halogens react with metals what is produced?

  43. Answer 21: • Salts

  44. Question 22: • How many valence electrons do the halogens have?

  45. Answer 22: • 7 valence electrons

  46. Question 23: • Why do the noble gases not want to react?

  47. Answer 23: • They have 8 valence electrons • They have a full outermost electron shell

  48. Question 24: • What are the three properties of Metals?

  49. Answer 24: • Shiny • Conductors • Malleable • Ductile

  50. Question 25: • What does ductile mean?

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