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Chemical Bonding & Nomenclature Flashcards | StudBud
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Chemical Bonding & Nomenclature
Chemical Bonding & Nomenclature
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#chemistry #bonding
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Answers
1
What is the correct Lewis structure for sulfur tetrafluoride, SF
4
?
3rd
4th
1st
2nd
2
Cations form when an atom _____ electrons to become ______ charged.
gains/positive
loses/negative
gains/negative
loses/positively
3
What are shared in a covalent bond?
dipoles
Lewis structure
ions
electrons
4
The correct balanced chemical formula for dinitrogen monoxide is:
N2O
NO
NO2
N2O2
5
The correct balanced chemical formula for magnesium oxide is:
MgO
MnO2
Mg2O
MgO2
6
Which of the following is true about an ionic compound?
Conducts an electric current in liquid and aqueous states.
Composed of anions and cations.
It is a salt.
Has a high melting point.
7
What is the overall molecular geometry of methane, CH
4
?
bent
tetrahedral
linear
trigonal planar
8
The correct systematic name for the chemical formula SnSO
4
is:
lead sulfate
tin(II) sulfate
tin(IV) sulfate
lead(II) sulfate
9
What is the ending for the names of all binary compounds, both ionic and molecular?
-ade
-ite
-ate
-ide
10
The correct balanced chemical formula for carbon monoxide is:
CO
CO2
C3PO
ClO2
11
Which element would be in the same family as the element shown?
lithium
silicon
carbon
aluminum
12
The correct systematic name for the chemical formula CoCl
2
is:
calcium chloride
carbon chloride
cobalt(II) chloride
copper(II) chloride
13
To draw a Lewis structure, one must know the:
ionization energy of each atom
atomic mass of each atom
bond length of each atom
number of valence electrons in each atom
14
The correct systematic name for the chemical formula CCl
4
is:
carbon(IV) chloride
carbon hexachloride
carbon tetrachloride
monocarbon tetrachloride
15
This indicates the number of each type of atom in a balanced chemical formula, for ex, H
2
O.
suffix
Roman numberal
superscript
subscript
16
In which of the following is the name and formula given correctly?
tin(IV) fluoride, SnF₄
cobalt(II) chloride, Co₂Cl
sodium oxide, NaO
barium nitride, BaN
17
The correct balanced chemical formula for potassium chloride is:
PCl
KCl2
K2Cl
KCl
18
What is the correct Lewis structure for hydrogen chloride, HCl?
A
D
B
C
19
Which of the following is the correct Lewis structure for O
2
?
4th
3rd
2nd
1st
20
How many pairs of electrons surround each atom in the structure for CO
2
?
2
8
6
4
21
The correct balanced chemical formula for silver sulfate is:
Ag2S
SSO4
Ag2SO4
AgS
22
The subscripts in a chemical formula indicate
the charges on the ions that make up the compound
the atomic mass of each element
the number of atoms or ions of each element
the atomic number of each element
23
What is the total number of electrons shared in the bonds between the two carbon atoms in C
2
H
2
?
3
6
2
8
24
A metal capable of having more than one oxidation state:
transition metal
noble gas
metalloid
alkali metal
25
Repulsion between electron pairs that causes them to be separated as far as possible.
the hybridization model
Lewis theory
the electron-sea model
VSEPR theory
26
The overall molecular geometry for BF
3
trigonal pyramidal
tetrahedral
trigonal planar
linear
27
What is the total number of pairs of electrons shared in a molecule of diatomic nitrogen, N
2
?
1
2
3
4
28
What is the correct Lewis structure for N
2
O,nitrous oxide (laughing gas)?
3rd
1st
4th
2nd
29
The electrostatic attraction between positive and negative ions is called a (an):
Hydrogen Bond
Ionic Bond
Metallic Bond
Covalent Bond
30
Atoms that achieve an octet by
sharing
electrons form:
Metallic Bonds
Ionic Bonds
Hydrogen Bonds
Covalent Bonds
31
Molecular compounds are usually ____.
composed of two or more nonmetallic elements
exceptions to the law of definite proportions
composed of two or more transition elements
composed of positive and negative ions
32
Covalent bonds are formed when electrons are:
transferred between atoms
captured by the nucleus
shared between two atoms
mobile within a metal sample
33
In drawing a Lewis structure, each nonmetal atom except hydrogen should be surrounded by:
2 electrons
8 electrons
4 electrons
10 electrons
34
The correct Lewis structure for carbon monoxide, CO is:
D
E
B
C
35
The correct balanced chemical formula for dihydrogen monoxide is:
H2O2
H2O
H3O+
OH−
36
Which of the following formulas represents an ionic compound?
N2O4
BaI2
CS2
PCl3
37
Among the following, the element with six valence electrons is:
Cs
Ne
O
C
38
What is the overall molecular geometry for dihydrogen monoxide, H
2
O?
tetrahdral
linear
bent
trigonal planar
39
What group of elements satisfies the octet rule without forming compounds?
noble gases
alkaline-earth metals
alkali metals
halogens
40
The electron dot structure for an atom of phosphorus is:
b
d
c
a
41
The correct systematic name for the chemical formula CaCO
3
is:
calcium carbonate
copper(II) carbonate
calcium carbide
carbon oxide
42
Which of the following formulas represents a molecular compound?
ZnO
BeF2
Mg3N2
SO2
43
When an aluminum atom loses its valence electrons, what is the charge on the resulting ion?
3+
1+
4+
2+
44
Which of the following shows correctly an ion pair and the ionic compound the two ions form?
Cu²⁺, O²⁻ ; Cu₂O₂
Sn⁴⁺, N³⁻ ; Sn₄N₃
Fe³⁺, O²⁻ ; Fe₂O₃
Cr³⁺, I¹⁻ ; CrI
45
The molecular geometry of the CO
2
molecule is:
linear
octahedral
trigonal planar
bent
46
The correct systematic name for the chemical formula NaOH is:
nitrogen hydroxide
sodium hydroxide
sodium hydride
sodium chloride
47
Which of the following compounds contains the lead(IV) ion?
PbO2
SnO
SnO2
PbO
48
What is the formula for diphosphorus pentoxide?
P₂O₄
P₂O₅
P₂PeO₅
PO₅
49
The correct balanced chemical formula for ammonium nitrate is:
(NH4)N
NH4NO3
NH4NO2
NaNO3
50
The correct balanced chemical formula for silicon dioxide is:
SO2
SiCO2
SiO2
Si2O2
51
The correct balanced chemical formula for copper(II)sulfate is:
Cu2SO4
CoSO4
CuSO4
CuSO3
52
When Group 2A elements form ions, they _____.
gain 2 electrons
lose 2 electrons
lose 2 protons
become electrically neutral
53
What is the formula for sulfur dichloride?
SCl
S₂Cl
S₂Cl₂
SCl₂
54
The correct balanced chemical formula for sulfur hexafluoride is:
NaF
SF6
SP6
SF5
