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BONDING REVIEW

BONDING REVIEW. You need a Periodic Table, Electronegativity table & Polarity chart!. What is the correct bond angle for “Bent” – with 2 lone pairs on the central atom?. 105. What is the predicted bond angle for the following compound?. 109.5. Write the electron dot notation for sulfur . S.

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BONDING REVIEW

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  1. BONDING REVIEW You need a Periodic Table, Electronegativity table & Polarity chart!

  2. What is the correct bond angle for “Bent” – with 2 lone pairs on the central atom? • 105

  3. What is the predicted bond angle for the following compound? • 109.5

  4. Write the electron dot notation for sulfur. S

  5. How many valence electrons does CO3-2? • 24

  6. When predicting bond types, list the range for ionic. • 1.7 and higher

  7. Where are valance electrons found? • Outermost energy level

  8. What is an isomer? • Compounds with the same molecular formula, but different structural formulas

  9. ______ is the measure of the ability of an atom to attract electrons. • Electronegativity

  10. A single bond is a covalent bond produced by the sharing of _____pair of electrons between two atoms • one

  11. Assign partial charges for the following pair of atoms: N and O + - N-O Note: O gets the – b/c it has a higher electronegativity value!

  12. What is the predicted bond angle for the following compound? • 180

  13. What is the molecular geometry of the following?: • Trigonal planar

  14. Achemical bond resulting from electrostatic attraction between positive and negative ions is a(n) _______ • IONIC BOND

  15. What is the predicted bond angle for the following compound? • 120

  16. What is the probable bond type for K and F? • 0.8-4.0 = 3.2 difference so it’s IONIC

  17. What is the correct bond angle for “tetrahedral”? • 109.5

  18. Is this molecule Polar or Nonpolar?NCl3You need to use your polarity chart! • Nonpolar

  19. How many valence electrons does NH4+1? • 8

  20. How many electrons does hydrogen need in order to be considered stable? • 2

  21. ________ is a covalent bond in which the bonding electrons are shared equally by the bonded atoms • NONPOLAR covalent

  22. What are the following considered?:H2, O2, N2, Cl2, Br2, I2, and F2 • Diatomic molecules (naturally occuring)

  23. What is the predicted bond angle for the following compound? • 120

  24. MgF2What is the ratio between the ions? • 1Mg : 2 F

  25. A triple bond is a covalent bond produced by the sharing of _____pairs of electrons between two atoms • THREE

  26. When predicting bond types, list the range for polar covalent. • 0.3-1.7

  27. A - is assigned to the atom with the _______electronegativity • Highest

  28. Ionic compounds contain what type(s) of element(s)? • Metals and nonmetals

  29. What phase(s) of matter would you most likely find ionic compounds? • SOLIDS

  30. ________ is the simplest collection of atoms from which an ionic compound’s formula can be established • Formula unit

  31. What is the molecular geometry of the following: • Trigonal pyramidal

  32. What is the correct bond angle for “Bent” – with 1 lone pairs on the central atom? • 120

  33. Molecular substances usually involve only what type of elements? • NONMETALS

  34. Is this molecule Polar or Nonpolar?Cl2OYou need to use your polarity chart! • Polar

  35. Chemical compounds tend to form so that each atom (by gaining, losing, or sharing electrons) contains eight electrons in its outermost occupied main energy level is known as the _______________ • Octet Rule

  36. Write the electron dot notation for lithium. Li

  37. What is the predicted bond angle for the following compound? • 105

  38. What type of bond is illustrated in the picture? • Polar Covalent Bond - +

  39. __________are electrons involved in bonding. • VALANCE Electrons

  40. _______ is a neutral group of atoms held together by covalent bonds • Molecule

  41. What is the correct bond angle for “trigonal pyramidal”? • 107

  42. What is the probable bond type for H and C? • 2.1-2.5 = 0.4 difference so it’s POLAR COVALENT

  43. ______ is a molecule containing only two atoms  • Diatomic molecule

  44. What is the correct bond angle for “trigonal planar”? • 120

  45. _____ is an electron pair NOT involved in bonding • Lone pair

  46. What is the molecular geometry of the following?: • Bent

  47. ______ is an electron pair involved in bonding • Bond pair

  48. A double bond is a covalent bond produced by the sharing of _____pairs of electrons between two atoms • TWO

  49. List the 3 elements that are exceptions to the octet rule. • H, Be, B

  50. What phase(S) of matter would you find molecular substances? • Solids, liquids, gases

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