BONDING REVIEW. You need a Periodic Table, Electronegativity table & Polarity chart!
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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 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 NH4 +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 δ - 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 δ + δ -
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? Bracket Charge
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 CaF2
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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