1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Ionic Bonds Covalent Bonds Lewis Dot Structures Counting Atoms Grab Bag ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

2. Ionic Bonds - 100 What is an ion? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

3. Ionic Bonds - 100 What is an ion? A: A negatively or positively charged atom or group of atoms ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

4. Ionic Bonds - 200 What is an Ionic Bond? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

5. Ionic Bonds - 200 What is an Ionic Bond? A: Forces holding ions formed by the transfer of electrons ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

6. Ionic Bonds - 300 What groups of elements on the periodic table make up an ionic bond? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

7. Ionic Bonds - 300 What groups of elements on the periodic table make up an ionic bond? A: Metal and non-metal ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

8. Ionic Bonds - 400 What is the difference between a cation and an anion? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

9. Ionic Bonds - 400 What is the difference between a cation and an anion? A: Cation is positive, anion is negative ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

10. Ionic Bonds - 500 Which element has a higher ionization energy; Cesium or Potassium? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

11. Ionic Bonds - 500 Which element has a higher ionization energy; Cesium or Potassium? A: Potassium ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

12. Covalent Bonds - 100 What is a covalent bond? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

13. Covalent Bonds - 100 What is a covalent bond? A: The sharing of electrons ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

14. Covalent Bonds - 200 Draw the bond for Carbon + Oxygen ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

15. Covalent Bonds - 200 Draw the bond for Carbon + Oxygen A: ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

16. Covalent Bonds - 300 How many electrons are in a single bond? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

17. Covalent Bonds - 300 How many electrons are in a single bond? A: 2 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

18. Covalent Bonds - 400 How do you represent a double bond? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

19. Covalent Bonds - 400 How do you represent a double bond? A: by 2 lines (=) ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

20. Covalent Bonds - 500 What is a polar-covalent bond? What is the symbol that shows polarity? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

21. Covalent Bonds - 500 What is a polar-covalent bond? What is the symbol that shows polarity? A: A bond where one side is slightly positive, and one side is slightly negative. Represented: δ+/- ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

22. Lewis Dot Structure - 100 What do the dots in the Lewis dot structure represent? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

23. Lewis Dot Structure - 100 What do the dots in the Lewis dot structure represent? A: Valence electrons ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

24. Lewis Dot Structure - 200 Draw the Lewis dot structure for Carbon ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

25. Lewis Dot Structure - 200 Draw the Lewis dot structure for Carbon A: ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

26. Lewis Dot Structure - 300 What other model besides the Lewis dot structure is used to describe the structure of an atom? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

27. Lewis Dot Structure - 300 What other model besides the Lewis dot structure is used to describe the structure of an atom? A: The Bohr model ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

28. Lewis Dot Structure - 400 Draw the Lewis dot structure for an element from group 16 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

29. Lewis Dot Structure - 400 Draw the Lewis dot structure for an element from group 16 A: ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

30. Lewis Dot Structure - 500 What else does atomic symbol in a Lewis dot structure represent? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

31. Lewis Dot Structure - 500 What else does atomic symbol in a Lewis dot structure represent? A: The inner orbitals and electrons ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

32. Counting Atoms - 100 How many different types of atoms are in C 6 H 12 O 6 ? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

33. Counting Atoms - 100 How many different types of atoms are in C 6 H 12 O 6 ? A: 3 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

34. Counting Atoms - 200 What does the coefficient represent in 2H 2 O? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

35. Counting Atoms - 200 What does the coefficient represent in 2H 2 O? A: 2 molecules of water or 2 moles of water ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

36. Counting Atoms - 300 How many atoms are in KHCO 3 ? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

37. Counting Atoms - 300 How many atoms are in KHCO 3 ? A: 6 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

38. Counting Atoms - 400 How many atoms are in: 2Na 2 SO 4 ? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

39. Counting Atoms - 400 How many atoms are in: 2Na 2 SO 4 ? A: 14 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

40. Counting Atoms - 500 How many atoms are in 3Al(HCO 3 ) 3 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

41. Counting Atoms - 500 How many atoms are in 3Al(HCO 3 ) 3 A: 48 ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

42. Grab Bag - 100 What are valence electrons? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

43. Grab Bag - 100 What are valence electrons? A: the electrons in the outermost orbital ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

44. Grab Bag - 200 What is the octet rule? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

45. Grab Bag - 200 What is the octet rule? A: 8 electrons in the outermost/valence shell ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

46. Grab Bag - 300 What type of elements make up a covalent bond? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

47. Grab Bag - 300 What type of elements make up a covalent bond? A: a non-metal and a non-metal ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

48. Grab Bag - 400 How is a compound different from a mixture? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

49. Grab Bag - 400 How is a compound different from a mixture? A: A compound always contains the same elements in a fixed, definite ratio ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

50. Grab Bag - 500 What type of bond has a high melting point? ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright

51. Grab Bag - 500 What type of bond has a high melting point? A: Ionic and 3-D covalent ©2011 University of Illinois Board of Trustees http://islcs.ncsa.illinois.edu/copyright