Chemistry 51 - Fundamentals of Chemistry » Fall 2021 » Chapter 4 Homework
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Chemistry 51 - Fundamentals of Chemistry ] course for $25 USD.
Existing Quiz Clients Login here
Question #1
The dash representing a single covalent bond represents a pair of electrons.
A.
TRUE
B.
FALSE
Question #2
PCl5 is called phosphorus pentachloride.
A.
FALSE
B.
TRUE
Question #3
The N–H bond length is greater than the O–H bond length.
A.
TRUE
B.
FALSE
Question #4
Carbon has four electrons capable of forming covalent bonds.
A.
FALSE
B.
TRUE
Question #5
NaOH has both ionic bonds as well as covalent bonds.
A.
TRUE
B.
FALSE
Question #6
The sharing of electrons between atoms is called a(n) _____.
A.
ionic bond
B.
mutual bond
C.
covalent bond
D.
electronic bond
E.
hydrogen bond
Question #7
What is the maximum number of electrons that a hydrogen atom can share?
A.
Four
B.
Two
C.
Eight
D.
One
E.
Zero
Question #8
Which of the following can give rise to only a single bond?
A.
Nitrogen
B.
Sulfur
C.
Hydrogen
D.
Carbon
E.
Oxygen
Question #9
What is the molecular formula for bromine trifluoride?
A.
Br2F3
B.
Br3F
C.
BrF3
D.
(BrF)3
E.
3BrF
Question #10
Write the name for SF6?
A.
Sulfur hexafluorite
B.
Hexafluoro sulfur
C.
Hexafluoro sulfide
D.
Hexasulfur fluoride
E.
Sulfur hexafluoride
Question #11
Electronegativity measures
A.
the number of electrons needed to form an ionic bond.
B.
the size of the valence shell.
C.
D.
how strongly an atom repels electrons.
E.
the strength of the ionic bond.
F.
how strongly an atom attracts electrons.
Question #12
Which of the following has the shortest bond length?
A.
C ≡ C
B.
C = C
C.
C = N
D.
C– N
E.
C ≡ N
Question #13
Which of the following bonds would show the maximum polarity?
A.
O = O
B.
C = N
C.
N = N
D.
C = O
E.
C = C
Question #14
VSEPR theory is based on which one of the following?
A.
Repulsion between electrons forming a covalent bond
B.
Mutual repulsion between protons
C.
Repulsion between core electrons and valence electrons
D.
Repulsion between nucleus and core electrons
E.
Attraction between nucleus and valence electrons
Question #15
Why does CO2 have a linear shape, whereas SO2 has a bent shape?
A.
There is greater repulsion between oxygen atoms in CO2.
B.
The covalent bond repulsion in sulfur is reduced due to a greater number of protons.
C.
Carbon has fewer number of electrons hence repulsion is lower.
D.
Carbon has fixed bonding angles.
E.
There is a lone pair of electrons on the sulfur atom.
Question #16
Which of the following is an organic compound?
A.
CH4
B.
SO2
C.
CO2
D.
H2CO3
E.
CO
Question #17
A covalent bond that has equal sharing of electrons between the two nuclei is called a _______ covalent bond.
A.
polar
B.
nonpolar
Question #18
A triple bond involves the sharing of _______ electrons.
A.
3
B.
6
Question #19
A.
2
B.
3
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Chemistry 51 - Fundamentals of Chemistry ] course for $25 USD.
Existing Quiz Clients Login here