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

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Presentation on theme: "BONDING REVIEW You need a Periodic Table, Electronegativity table & Polarity chart!"— Presentation transcript:

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 CO 3 -2 have? 24

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

7 What type of melting & boiling points do molecular compounds have? Low melting & boiling points

8 Are the IM forces (strong or weak) in ionic compounds? Strong

9 Where are valance electrons found? Outermost energy level

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

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

12 A(n) __________ compound requires less energy (lower temp.) to break weak IM forces between particles Molecular

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

14 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!

15 _______ are forces of attraction between adjacent particles (molecules, atoms, or ions) Intermolecular Forces

16 What is the predicted bond angle for the following compound? 180

17 What is the molecular geometry of the following?: Trigonal planar

18 A chemical bond resulting from electrostatic attraction between positive and negative ions is a(n) _______ IONIC BOND

19 What is the predicted bond angle for the following compound? 120

20 What is the probable bond type for K and F? = 3.2 difference so it’s IONIC

21 What is the correct bond angle for “tetrahedral”? 109.5

22 How many valence electrons does NH 4 +1 have? 8

23 Are the IM forces (strong or weak) in molecular compounds? Weak

24 How many electrons does hydrogen need in order to be considered stable? 2

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

26 What are the following considered?: H 2, O 2, N 2, Cl 2, Br 2, I 2, and F 2 naturally occurring Diatomic molecules

27 What is the predicted bond angle for the following compound? 120

28 MgF 2 What is the ratio between the ions? 1Mg : 2 F

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

30 What is the molecular geometry of the following?: Tetrahedral

31 When predicting bond types, list the range for polar covalent

32 What is the molecular geometry of the following?: Linear

33 A  - is assigned to the atom with the _______electronegativity Highest

34 Ionic compounds contain what type(s) of element(s)? Metals and nonmetals

35 A(n) __________ compound requires more energy (higher temp.) to break strong IM forces between particles Ionic

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

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

38 What is the molecular geometry of the following: Trigonal pyramidal

39 What is the correct bond angle for “Bent” – with 1 lone pair on the central atom? 120

40 Molecular substances usually involve only what type of elements? NONMETALS

41 What type of melting & boiling points do ionic compounds have? High melting & boiling points

42 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

43 Write the electron dot notation for lithium. Li

44 What is the predicted bond angle for the following compound? 105

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

46 __________are electrons involved in bonding. VALANCE Electrons

47 _______ is a neutral group of atoms held together by covalent bonds Molecule

48 What is the correct bond angle for “trigonal pyramidal”? 107

49 What is the probable bond type for H and C? = 0.4 difference so it’s POLAR COVALENT

50 ______ is a molecule containing only two atoms Diatomic molecule

51 What is the correct bond angle for “trigonal planar”? 120

52 _____ is an electron pair NOT involved in bonding Lone pair

53 What is the molecular geometry of the following?: Bent

54 ______ is an electron pair involved in bonding Bond pair

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

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

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

58 What two items needs to be added to the electron dot/structural formulas for polyatomic ions? BracketCharge

59 What is the predicted bond angle for the following compound? 107

60 When predicting bond types, list the range for nonpolar covalent

61 What is the correct bond angle for “linear”? 180

62 _________ is a covalent bond in which the bonding electrons are shared unequally by the bonded atoms POLAR covalent

63 What is the probable bond type for H and H? = 0 difference so it’s NONPOLAR COVALENT

64 A chemical bond resulting from the sharing of electrons between two atoms is _______ Covalent Bond

65 What type of bond is illustrated in the picture? Nonpolar Covalent Bond

66 Use electron-dot formulas to illustrate the formation of ionic bonds involving Ca and F. Ca + F + F  Ca +2 + F -1 + F -1 CaF 2

67 Is this molecule Polar or Nonpolar? Cl 2 O You need to use your polarity chart! Polar

68 Is this molecule Polar or Nonpolar? NCl 3 You need to use your polarity chart! Nonpolar


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