CHEM 121 FINAL EXAM | UPDATED QUESTIONS AND ANSWERS UPDATED .Buy Quality Materials!
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Course
CHEM 121
Institution
CHEM 121
CHEM 121 FINAL EXAM | UPDATED QUESTIONS AND ANSWERS UPDATED .Buy Quality Materials!
Ionic bonding
Refers to electrostatic forces that exist between ions of opposite charge.
Covalent bonding
Results from the sharing of electrons between two atoms.
Metallic bonding
Each atom is bonded to seve...
CHEM 121 FINAL EXAM | UPDATED QUESTIONS AND
ANSWERS UPDATED .Buy Quality Materials!
Ionic bonding
Refers to electrostatic forces that exist between ions of opposite charge.
Covalent bonding
Results from the sharing of electrons between two atoms.
Metallic bonding
Each atom is bonded to several neighboring atoms, found in metals such as gold, iron,
and magnesium.
Which of the following molecules possess polar covalent bonds: H2, N2,HCl,
HCN, CO2?
HCL, HCN, CO2
Which of the molecules have molecular dipole moments: H2, N2,HCL, HCN, CO2?
HCN, HCl
What is the favored geometrical arrangements for ABn molecules for which the A
atom have 2 pairs of electrons in its valence shell?
Linear
What is the favored geometrical arrangements for ABn molecules for which the A
atom have 3 pairs of electrons in its valence shell?
Trigonal Planar
What is the favored geometrical arrangements for ABn molecules for which the A
atom have 4 pairs of electrons in its valence shell?
Tetrahedral
What is the favored geometrical arrangements for ABn molecules for which the A
atom have 5 pairs of electrons in its valence shell?
Trigonal Bipyrimidal
What is the favored geometrical arrangements for ABn molecules for which the A
atom have 6 pairs of electrons in its valence shell?
Octahedral
How many equivalent orbitals are involved in each of the following sets of hybrid
orbitals: sp, sp^2, sp^3, sp^3 d, sp^3 d^2
-2 orbitals
-3 orbitals
-4 orbitals
-5 orbitals
-6 orbitals
Formal charge
The charge that an atom in a molecule or ion would have if all atoms had the same
electronegativity.
What are the 3 factors that determine the volume of a gas?
-Temperature
-Pressure
-Quantity
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