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Duplicate of Ch. 8 Covalent Compounds Flashcards | StudBud
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Duplicate of Ch. 8 Covalent Compounds
Duplicate of Ch. 8 Covalent Compounds
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Review of Ch. 8 - Covalent Compounds
Flashcards
36 cards
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Questions
36
Answers
1
Which of the following VSEPR geometries is asymmetrical?
Tetrahedral
Trigonal Planar
Linear
Trigonal pyramidal
2
What is the name of HClO
2
?
Hydrochloric Acid
Chloric Acid
Hydrochlorous Acid
Chlorous Acid
3
T/F: There are times where the central atom will have more or less than 8 valence electrons
False
True
4
According to VSEPR theory, molecules adjust their shapes to keep what as far apart as possible?
Mobile Electrons
Inner shell electrons
Pairs of valence electrons
The electrons closest to the nuclei
5
How many electrons are shared in a triple bond?
6
3
4
5
6
What is the name of the compound CaCO
3
?
Calcium Carbon Trioxide
Calcium Cobalt
Calcium Carbonate
Calcium Carbon Oxide
7
If the bond polarity is nonpolar, then the molecular polarity is _____.
Nonpolar
Ionic
Depends on the shape/geometry
Polar
8
What is the prefix indicating seven?
nona
hexa
hepta
penta
9
Which lists all 7 diatomic elements?
B I N K H O F
Br I Ni K H O F
B I Ni C H O F
Br I N Cl H O F
10
If the bonds are polar, and the shape/geometry is symmetrical then the molecular polarity is
Not enough information is provided
Polar
Ionic
Nonpolar
11
In the following molecule, how many pi bonds are present?
1
2
3
4
12
A double bond is formed from:
two electrons being transferred
two electrons being shared
two pairs of electrons being transferred
two pairs of electrons being shared
13
What is the name of the following acid: H
3
P
Hydrogen Phosphide
Phosphorous Acid
Phosphoric Acid
Hydrophosphorpic Acid
14
Which type of bond is the strongest?
Triple
Quadruple
Single
Double
15
What type of bond is longest in length?
Triple
Single
Double
Quadruple
16
What is the formula for sulfuric acid?
H2S
HSO4
H2SO3
H2SO4
17
If the difference in electronegativity is between 0.5 & 2, then the bonds are said to be
Nonpolar
Ionic
Polar
18
In a polar bond, which atoms gets a slight negative charge?
The one with a higher electronegativity
The one with fewer valence electrons
The one with more valence electrons
The one with a lower electronegativity
19
Which is NOT a property of a covalent compound?
Poor conductivity
Usually liquids & gases
Low melting points
High boiling points
20
Which is NOT a property of ionic compounds
known as molecules
known as salts
crystalline internal structure
High boiling points
21
In a molecular formula, what do the subscripts indicate?
The number of atoms
The number of molecules
The charge
There are no subscripts in molecular formulas
22
What is the name given to a pair of electrons that are not shared in a bond?
single pairs
bonding pairs
single bond
lone pairs
23
Which of the following elements does not form a diatomic molecule?
Fluorine
Hydrogen
Nitrogen
Carbon
24
Calculate the difference in bond polarity for a Si-O Bond
1.7 -- Polar
1.7 Ionic
-1.7 Nonpolar
1.7 Nonpolar
25
What type of bond contains atoms that equally share electrons?
James Bond
Ionic Bond
Nonpolar Covalent
Polar Covalent Bond
26
Which is an example of a molecule?
CCl4
Ca(C2H2O2)2
NaCl
PbS
27
What is the geometric shape of a molecule with 3 bonding regions and 1 lone pair?
Bent
Tetrahedral
Trigonal Pyramidal
Linear
28
When polar molecules are attracted to one another though the opposite charges
Dipole Interaction
Covalent bonds
Ionic Bonds
Dispersion Force
29
How many TOTAL domains are present around the central atom with a square planar shape?
6
4
3
5
30
In an acid, the anion ends in -ide. What is the rule for naming the acid?
The anion ending does not matter when naming acids
Add the prefix hydro and suffix -ic
Add suffix -ic
Add suffix -ous
31
What is another name for a polar bond?
Nonpolar Bond
Single Bond
Sigma bond
Dipole
32
What is the hybridization of a molecule with an octahedral shape?
sp3d2
sp
sp3
sp3d
33
What is the shape/geometry of the following molecule?
Trigonal Bipyramidal
T-shaped
See-Saw
Tetrahedral
34
What is the name of B
2
H
4
?
Diboron Tetrahydride
Biboron Quadhydride
Boron Hydride
Diboride Tetrehydrogen
35
Which of the following compounds is formed from the transfer of electrons?
Covalent
Ionic
Nonpolar
Polar
36
What is the process of combining atomic orbitals to make equal bonding orbitals?
Molecular Polarity
Hybridization
Bonding
VSEPR
