CHM-113 Quiz 3 UPDATED Questions and
CORRECT Answers
Diatomic Molecules - CORRECT ANSWER- ✔✔Molecules consisting of two atoms only.
Linear Shape - CORRECT ANSWER- ✔✔Molecular shape where atoms are arranged in a
line.
Polarity of Molecule - CORRECT ANSWER- ✔✔Determined by symmetry and bond
polarities.
VSEPR Theory - CORRECT ANSWER- ✔✔Predicts molecular shape by minimizing
electron repulsions.
Central Atom - CORRECT ANSWER- ✔✔Atom bonded to two or more other atoms.
Lone Pair Electrons - CORRECT ANSWER- ✔✔Non-bonding electrons on the central atom.
Nonpolar Molecules - CORRECT ANSWER- ✔✔Molecules with symmetrical shapes and
equal bonds.
Polar Molecules - CORRECT ANSWER- ✔✔Molecules with asymmetrical shapes or
different terminal atoms.
Hybridization - CORRECT ANSWER- ✔✔Mixing atomic orbitals to form new bonding
orbitals.
Sigma Bond - CORRECT ANSWER- ✔✔Single bond formed by end-to-end orbital overlap.
Pi Bond - CORRECT ANSWER- ✔✔Bond formed by side-to-side overlap of orbitals.
, Bond Angles - CORRECT ANSWER- ✔✔Angles between bonds in a molecule.
sp Hybridization - CORRECT ANSWER- ✔✔Hybridization with two electron domains, 180°
angles.
sp2 Hybridization - CORRECT ANSWER- ✔✔Hybridization with three electron domains,
120° angles.
sp3 Hybridization - CORRECT ANSWER- ✔✔Hybridization with four electron domains,
109.5° angles.
sp3d Hybridization - CORRECT ANSWER- ✔✔Hybridization with five electron domains,
varying angles.
sp3d2 Hybridization - CORRECT ANSWER- ✔✔Hybridization with six electron domains,
varying angles.
Trigonal Planar - CORRECT ANSWER- ✔✔Molecular shape with three bonded atoms,
nonpolar if identical.
Tetrahedral - CORRECT ANSWER- ✔✔Molecular shape with four bonded atoms, polar if
different.
Trigonal Bipyramidal - CORRECT ANSWER- ✔✔Molecular shape with five bonded atoms,
nonpolar if identical.
Octahedral - CORRECT ANSWER- ✔✔Molecular shape with six bonded atoms, nonpolar if
identical.
Bent Shape - CORRECT ANSWER- ✔✔Molecular shape with two bonded atoms and lone
pairs, polar.
CORRECT Answers
Diatomic Molecules - CORRECT ANSWER- ✔✔Molecules consisting of two atoms only.
Linear Shape - CORRECT ANSWER- ✔✔Molecular shape where atoms are arranged in a
line.
Polarity of Molecule - CORRECT ANSWER- ✔✔Determined by symmetry and bond
polarities.
VSEPR Theory - CORRECT ANSWER- ✔✔Predicts molecular shape by minimizing
electron repulsions.
Central Atom - CORRECT ANSWER- ✔✔Atom bonded to two or more other atoms.
Lone Pair Electrons - CORRECT ANSWER- ✔✔Non-bonding electrons on the central atom.
Nonpolar Molecules - CORRECT ANSWER- ✔✔Molecules with symmetrical shapes and
equal bonds.
Polar Molecules - CORRECT ANSWER- ✔✔Molecules with asymmetrical shapes or
different terminal atoms.
Hybridization - CORRECT ANSWER- ✔✔Mixing atomic orbitals to form new bonding
orbitals.
Sigma Bond - CORRECT ANSWER- ✔✔Single bond formed by end-to-end orbital overlap.
Pi Bond - CORRECT ANSWER- ✔✔Bond formed by side-to-side overlap of orbitals.
, Bond Angles - CORRECT ANSWER- ✔✔Angles between bonds in a molecule.
sp Hybridization - CORRECT ANSWER- ✔✔Hybridization with two electron domains, 180°
angles.
sp2 Hybridization - CORRECT ANSWER- ✔✔Hybridization with three electron domains,
120° angles.
sp3 Hybridization - CORRECT ANSWER- ✔✔Hybridization with four electron domains,
109.5° angles.
sp3d Hybridization - CORRECT ANSWER- ✔✔Hybridization with five electron domains,
varying angles.
sp3d2 Hybridization - CORRECT ANSWER- ✔✔Hybridization with six electron domains,
varying angles.
Trigonal Planar - CORRECT ANSWER- ✔✔Molecular shape with three bonded atoms,
nonpolar if identical.
Tetrahedral - CORRECT ANSWER- ✔✔Molecular shape with four bonded atoms, polar if
different.
Trigonal Bipyramidal - CORRECT ANSWER- ✔✔Molecular shape with five bonded atoms,
nonpolar if identical.
Octahedral - CORRECT ANSWER- ✔✔Molecular shape with six bonded atoms, nonpolar if
identical.
Bent Shape - CORRECT ANSWER- ✔✔Molecular shape with two bonded atoms and lone
pairs, polar.
