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The bond between two chlorine atoms in Cl₂ is:
C. Nonpolar covalent bond
The sharing of two pairs of electrons between two atoms results in a:
Double covalent bond
How many sigma bonds are in a double bond?
1
What is the hybridization of the carbon atom in CH₄?
sp³
In a molecule of N₂, there are:
A. 1 sigma bond and 2 pi bonds
B. 2 sigma bonds and 1 pi bond
C. 3 sigma bonds
D. 3 pi bonds
1 sigma bond and 2 pi bonds
How many valence electrons does an oxygen atom have?
6
Which of the following is an example of a molecule with a single covalent bond?
A. O₂
B. N₂
C. H₂
D. CO₂
C. H₂
The force of attraction between two polar molecules is called:
A. London dispersion force
B. Dipole-dipole force
C. Hydrogen bond
D. Ionic bond
B. Dipole-dipole force
What is the shape of a CO₂ molecule?
Linear
In the Lewis structure of NH₃, how many lone pairs of electrons are on the nitrogen atom?
1
What type of bond is formed when electrons are transferred from one atom to another?
A. Covalent bond
B. Ionic bond
C. Hydrogen bond
D. Intermolecular force
B. Ionic bond
Which of the following is an ionic compound?
A. H₂O
B. CO₂
C. NaCl
D. CH₄
C. NaCl
A covalent bond is formed by:
A. Transfer of electrons
B. Sharing of electrons
C. Attraction between ions
D. None of the above
B. Sharing of electrons
Molecules are held together by:
A. Ionic bonds
B. Covalent bonds
C. Intermolecular forces
D. All of the above
C. Intermolecular forces
In a Lewis structure, what do the dots represent?
A. Protons
B. Neutrons
C. Valence electrons
D. All electrons
C. Valence electrons
A pi bond is formed by the overlap of:
A. s orbitals
B. p orbitals side by side
C. p orbitals end to end
D. s and p orbitals
B. p orbitals side by side
Which of the following molecules can form hydrogen bonds?
A. CH₄
B. HCl
C. H₂S
D. H₂O
D. H₂O
A sigma bond is formed by the overlap of:
A. s orbitals
B. p orbitals side by side
C. p orbitals end to end
D. Any of the above in an end-to-end manner
D. Any of the above in an end-to-end manner
According to the VSEPR theory, what is the shape of a molecule with 4 electron pairs around the central atom?
A. Linear
B. Trigonal planar
C. Tetrahedral
D. Bent
C. Tetrahedral
Which of the following is not a property of ionic compounds?
A. High melting point
B. Conduct electricity in the solid state
C. Soluble in water
D. Crystalline structure
B. Conduct electricity in the solid state
The shape of a BF₃ molecule is:
Trigonal planar
What kind of force does CH4 has?
London dispersion force
The shape of a BF₃ molecule is:
Trigonal planar
Which of the following intermolecular forces is the weakest?
A. Hydrogen bond
B. Dipole-dipole force
C. London dispersion force
D. Ion-dipole force
C. London dispersion force
The VSEPR theory is based on the idea that:
A. Electrons attract each other
B. Electrons repel each other
C. Nuclei attract electrons
D. Nuclei repel each other
B. Electrons repel each other