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WorksheetsCh. 7 Chemistry
Total questions: 27
Worksheet time: 14mins
Why do atoms bond?
to lose stability and gain energy
to gain stability and lose energy
to transfer electrons
to share electrons
Chemical bonds between atoms involve the rearrangement of __________ to
maximize stability.
protons
neutrons
electrons
neutrinos
What type of bond would you expect in a compound of oxygen and sodium?
ionic
metallic
covalent
polar covalent
A bond that forms between two or more atoms that have high electron affinities is
most likely a(n) __________ bond.
covalent
ionic
metallic
delocalized
Which of the following represents a nonpolar covalent molecule?
NaCl
Br2
HCN
Au
The polarity of a bond depends on the difference in the atoms’ __________.
electron affinities
electronegativities
atomic radii
ionization energies
To achieve an octet when combining with potassium, would an atom of a Group 16
element be expected to lose, gain, or share electrons?
lose
gain
share
This cannot be determined from the given information.
Which of the following does not exist as a diatomic molecule?
argon
hydrogen
chlorine
oxygen
What do we call the attraction between opposite electrical charges?
electric force
electron sharing
electrostatic force
electrical affinity
What is the Lewis structure for H2S?
Which of the following molecules contains one or more double covalent bonds?
N2
HCN
CO2
IBr
Which of the following values for the electronegativity difference would best
represent a bond that is mostly ionic?
0.8
2.0
2.4
3.2
An orderly arrangement of ions in a three-dimensional pattern within a compound
is called a(n) __________.
formula unit
ion array
crystal lattice
ionic network
The electron-sea theory accounts for all the following characteristics of metals
except __________.
luster
conductivity
brittleness
ductility
Most metals are likely to freely share electrons when bonding with each other
because they have __________.
high electronegativities
low electronegativities
the ability to conduct electricity
large atomic radii
The mobile valence electrons in a metallic bond are said to be __________.
delocalized
externalized
integrated
hominized
The luster or shine seen on most metals is thought to be caused by the movement
of __________.
electrons
ions
protons
neutrons
CsI
covalent (C)
ionic (I)
metallic (M)
electron-sea theory
covalent (C)
ionic (I)
metallic (M)
CCl4
covalent (C)
ionic (I)
metallic (M)
attraction between oppositely charged ions
covalent (C)
ionic (I)
metallic (M)
Cu
covalent (C)
ionic (I)
metallic (M)
one or more pairs of shared electrons
covalent (C)
ionic (I)
metallic (M)
Compounds formed by the attraction between oppositely charged ions are the result of _______________ bonds
ionic
bonding pair
formula unit
alloy
The electrons shared in a covalent bond are called a(n) _____________.
ionic
bonding pair
formula unit
alloy
The ratio of cations to anions in an ionic compound is expressed as
a(n)
ionic
bonding pair
formula unit
alloy
A mixture of atoms of a metal with another element where the mixture has metallic properties is
called a(n) _____________.
ionic
bonding pair
formula unit
alloy
