The Lewis diagram for ammonia (NH₃) shows

three bonding pairs and one lone pair of electrons

A molecule of carbon dioxide contains

polar bonds but is a nonpolar molecule

Bonds between sulfur and oxygen atoms are

polar covalent with a partial negative charge around the oxygen

A molecule of ethene, C₂H₄, contains

six sigma bonds and one pi bond

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AP Chemistry: Chemical Bonding – Covalent Compounds, Formulas, and Structures

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How much do you know about bonds between specific elements? Do you think formal charges disrupt an atomic bond? Put your knowledge to the test with this Barron's quiz developed from our must-have AP® Chemistry Premium study guide. #apchemistry #chemistry #covalentbonds #atoms #ions #apchemistryexam #apprep #apchem #highschool #grade10 #grade11 #grade12 AP® is a registered trademark of the College Board, which was not involved in the production of, and does not endorse, this product.

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Questions 10

Answers

1
The Lewis diagram for ammonia (NH₃) shows
three bonding pairs and one lone pair of electrons
two bonding pairs and two lone pairs of electrons
four bonding pairs of electrons
one bonding pair and three lone pairs of electrons
2
A molecule of carbon dioxide contains
polar bonds but is a nonpolar molecule
polar bonds and is a polar molecule
nonpolar bonds but is a polar molecule
nonpolar bonds and is a nonpolar molecule
3
An example of a molecule with an odd number of valence electrons is
N₂O₄
NO₂
N₂O₅
N₂O₂
4
The type of hybrid orbital associated with an electron pair in the geometry of trigonal planar is
dsp³
sp
sp³
sp²
5
Bonds between sulfur and oxygen atoms are
polar covalent with a partial negative charge around the sulfur
nonpolar covalent with a partial negative charge around the sulfur
nonpolar covalent with a partial negative charge around the oxygen
polar covalent with a partial negative charge around the oxygen
6
The molecular geometry of the molecule ICl₃ is
tetrahedral
trigonal planar
trigonal pyramidal
t-shaped
7
How does the bond energy between the carbon atoms in C₂H₄ compare to that between the carbon atoms in C₂H₂?
It is greater.
It is lesser.
It is the same.
It cannot be compared.
8
A molecule of ethene, C₂H₄, contains
six sigma bonds and one pi bond
five sigma bonds and one pi bond
five sigma bonds and no pi bonds
six sigma bonds and no pi bonds
9
An example of a molecule that exhibits resonance is
ClO₂
CO₂
O₂
SO₂
10
The formal charge on chlorine in the polyatomic ion perchlorate, ClO₄¹⁻, is
3
1
0
2

AP Chemistry: Chemical Bonding – Covalent Compounds, Formulas, and Structures Flashcards | StudBud

AP Chemistry: Chemical Bonding – Covalent Compounds, Formulas, and Structures

10 termsStudBud Administration1,070 plays

Flashcards10 cardsFPractice quizPHost liveL

Questions 10

Answers

1
The Lewis diagram for ammonia (NH₃) shows
three bonding pairs and one lone pair of electrons
two bonding pairs and two lone pairs of electrons
four bonding pairs of electrons
one bonding pair and three lone pairs of electrons
2
A molecule of carbon dioxide contains
polar bonds but is a nonpolar molecule
polar bonds and is a polar molecule
nonpolar bonds but is a polar molecule
nonpolar bonds and is a nonpolar molecule
3
An example of a molecule with an odd number of valence electrons is
N₂O₄
NO₂
N₂O₅
N₂O₂
4
The type of hybrid orbital associated with an electron pair in the geometry of trigonal planar is
dsp³
sp
sp³
sp²
5
Bonds between sulfur and oxygen atoms are
polar covalent with a partial negative charge around the sulfur
nonpolar covalent with a partial negative charge around the sulfur
nonpolar covalent with a partial negative charge around the oxygen
polar covalent with a partial negative charge around the oxygen
6
The molecular geometry of the molecule ICl₃ is
tetrahedral
trigonal planar
trigonal pyramidal
t-shaped
7
How does the bond energy between the carbon atoms in C₂H₄ compare to that between the carbon atoms in C₂H₂?
It is greater.
It is lesser.
It is the same.
It cannot be compared.
8
A molecule of ethene, C₂H₄, contains
six sigma bonds and one pi bond
five sigma bonds and one pi bond
five sigma bonds and no pi bonds
six sigma bonds and no pi bonds
9
An example of a molecule that exhibits resonance is
ClO₂
CO₂
O₂
SO₂
10
The formal charge on chlorine in the polyatomic ion perchlorate, ClO₄¹⁻, is
3
1
0
2