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Covalent Bonding Review Flashcards | StudBud
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Covalent Bonding Review
Covalent Bonding Review
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Covalent bonding (naming, writing formulas, identifying molecular geometry and polarity)
Flashcards
17 cards
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Questions
17
Answers
1
A bond is _________ if the two atoms have the same electronegativity.
Polar Covalent
Non-polar Covalent
Ionic
2
What is the formula for nitrogen trioxide?
N2O
NO3
3NO
N3O
3
What is the formula for dicarbon tetrahydride?
C2H5
C2H4
C2H7
C2H6
4
Elements bond because they....
are attracted to each other NO MATTER WHAT!
are selfish
want 8 valence electrons
think sharing is caring ALL the time!
5
What is the name of P
2
O
5
?
phosphorus oxide
diphosphorus oxide
diphosphorus pentaoxide
phosphorus pentaoxide
6
Non-polar covalent bonds can be identified by....
Having an electronegative difference of less than 0.5
equal sharing of valence electrons
Being symmetrical when drawn
all of the above
7
What is the name of H
2
O
2
?
dihydrous oxide
dihydrogen dioxide
dihydrogen dioxygen
hydrogen oxide
8
Polar Covalent Bonds....
Exchange Electrons
Share Electrons Unequally
Share electrons equally
9
A dipole arrow always points toward the more ____ side of the bond or molecule.
Positive
Negative
Neutral
10
A dot around an element's chemical symbol is equal to
1 proton
2 electrons
2 protons
1 electron
11
A line between two elements is equal to
1 electron
2 electrons
1 proton
2 protons
12
What is the formula for dihydrogen monosulfide?
2HS
HS
H2S2
H2S
13
What is the formula for phosphorus hexafluoride?
PF5
PF3
PF6
P2F6
14
In a polar bond, the lower electronegativity atom will be more ___(1)__ because it has __(2)__.
(1) negative; fewer electrons
(1) negative; (2) more electrons
(1) positive; (2) more electrons
(1) Positive; (2) fewer electrons
15
What is the name of OF
2
?
oxygen difluoride
oxygen fluoride
oxygen difluoroxide
monoxide difluoride
16
The atoms in a non-polar bond...
do not share electrons
Share electrons evenly
share electrons unevenly
17
What is the name of PCl
5
?
phosphorus pentachloride
phosphorus tetrachloride
phosphorus heptachloride
monophosphorus pentachloride
