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Covalent bonding! Flashcards | StudBud
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Covalent bonding!
Covalent bonding!
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This will review you for the test on covalent bonding and IMFs!
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which IMF is the weakest?
dispersion forces
oxygen bonding
hydrogen bonding
dipole-dipole interaction
2
Which combo of prefix and number is correct?
hexa- 7
tri- 4
penta- 5
octa- 4
3
The shape of PCl3 is _____.
linear
tetrahedral
bent
trigonal pyramid
4
Which bond is the most polar?
C-N
C-O
C-F
C-S
5
What happens in a single covalent bond?
Two atoms share two pairs of electrons.
Two atoms share one electron.
Two atoms share one pair of electrons.
One atom transfers two electrons to another atom.
6
Which molecule is nonpolar?
NH3
CO2
H2O
PF3
7
Which IMF does
not
occur between nonpolar molecules?
the dark side of the force
dispersion forces
hydrogen bonding
the strong nuclear force
8
In the
name
of a molecular compound, what determines the number of atoms?
a Roman numeral
prefixes
superscripts
subscripts
9
What suffix provides the ending to the names of
both
ionic and covalent binary compounds?
-ide
-ite
-ose
-ate
10
According to VSEPR theory, what repels?
pairs of electrons closest to the nucleus
atomic nuclei
pairs of valence electrons
protons
11
Which particle is
not
a molecule?
CO
AgCl
NO
PCl5
12
Which compound is molecular?
LiF
NO2
ZnO
Na2S
13
What causes dispersion forces?
Hund's rule
the random motion of electrons
the attraction between electron pairs
the attraction between electrons and the atomic nucleus
14
What "bends" a water molecule into its characteristic shape?
unshared electron pairs
neutrons
ionic attraction
the strong nuclear force
15
Which diatomic element has a double covalent bond?
Oxygen
Iodine
Hydrogen
Carbon
16
The shape of CCl
4
is _____.
tetrahedral
trigonal pyramid
bent
linear
17
In a covalent bond between C and H, what happens?
4 electrons (2 pairs) are shared
2 electrons (1 pair) are shared
1 electron is shared
2 electrons are transferred from C to H
18
The representative particle of a covalent compound is the _____.
molecule
atom
ion
formula unit
19
What is the name of the compound with the formula SO
3
?
sulfur oxide
sulfur(III) oxide
monosulfur trioxide
sulfur trioxide
20
What is correct about the CH
3
F molecule?
its shape is tetrahedral
it is polar
the C-F bond is the most polar bond in the compound
it will dissolve in water
