CHEM 1020 MIDTERM PRACTICE
COLLECTION 2026 REAL QUESTIONS WITH
COMPLETE SOLUTIONS TOTAL STUDY
PACK GRADED A+
⩥Which of the following elements has 3 electrons in the valence (outer)
shell?
Answer: B
⩥Which of the following would you expect to have ionic bonds?
Answer: CsF
⩥Which of the following would you expect to have polar covalent
bonds?
Answer: NF3
⩥Which molecule has nonpolar covalent bonds?
Answer: N2
⩥the number of electrons in the valence shell of sulfur is?
Answer: 6
,⩥oxygen is more electronegative than
Answer: sulfur
⩥the most electronegative elements in the periodic table are generally
found
Answer: toward the right in a horizontal row and toward the top in a
column
⩥for carbon monoxide, O has a formal charge of
Answer: +1
⩥what is the formal charge of N in HNO3?
Answer: +1
⩥what is the percent s character in an sp2 hybridized orbital?
Answer: 33%
⩥the maximum number of electrons that a molecular orbital can contain
is
Answer: 2
⩥the approximate H-C-H bond able in methane is
Answer: 109.5
,⩥the lewis structure of methane (sp3)
Answer: tetrahedral
⩥acyclic
Answer: containing no rings of atoms
⩥heterocyclic
Answer: ring shaped carbon chain which has to have at least one atom
that isn't carbon in the ring
⩥what is the name of the alkane that has 3 carbon atoms?
Answer: propane
⩥which of the following would exhibit hydrogen bonding?
Answer: CH3OH
⩥the more carbons
Answer: the higher the boiling point
⩥the boiling points of normal alkanes
, Answer: rise as the length of the carbon chain increases and are higher
than the boiling points of branched alkanes with the same molecular
formula
⩥the most stable conformation of propane is
Answer: staggered
⩥the least stable conformation of propane is
Answer: eclipsed
⩥what is the C-C-C bond angle of cyclobutane?
Answer: 90 degrees
⩥benzonitrile
Answer: benzene with a 3 (-) N
⩥What class of organic compounds result when cyclopentanone reacts
with ethylamine in the presence of trace acid?
Answer: Imine
⩥what product results from the SN2 reaction between R-2-
chloropentane and hydroxide?
Answer: S-2-pentanol
COLLECTION 2026 REAL QUESTIONS WITH
COMPLETE SOLUTIONS TOTAL STUDY
PACK GRADED A+
⩥Which of the following elements has 3 electrons in the valence (outer)
shell?
Answer: B
⩥Which of the following would you expect to have ionic bonds?
Answer: CsF
⩥Which of the following would you expect to have polar covalent
bonds?
Answer: NF3
⩥Which molecule has nonpolar covalent bonds?
Answer: N2
⩥the number of electrons in the valence shell of sulfur is?
Answer: 6
,⩥oxygen is more electronegative than
Answer: sulfur
⩥the most electronegative elements in the periodic table are generally
found
Answer: toward the right in a horizontal row and toward the top in a
column
⩥for carbon monoxide, O has a formal charge of
Answer: +1
⩥what is the formal charge of N in HNO3?
Answer: +1
⩥what is the percent s character in an sp2 hybridized orbital?
Answer: 33%
⩥the maximum number of electrons that a molecular orbital can contain
is
Answer: 2
⩥the approximate H-C-H bond able in methane is
Answer: 109.5
,⩥the lewis structure of methane (sp3)
Answer: tetrahedral
⩥acyclic
Answer: containing no rings of atoms
⩥heterocyclic
Answer: ring shaped carbon chain which has to have at least one atom
that isn't carbon in the ring
⩥what is the name of the alkane that has 3 carbon atoms?
Answer: propane
⩥which of the following would exhibit hydrogen bonding?
Answer: CH3OH
⩥the more carbons
Answer: the higher the boiling point
⩥the boiling points of normal alkanes
, Answer: rise as the length of the carbon chain increases and are higher
than the boiling points of branched alkanes with the same molecular
formula
⩥the most stable conformation of propane is
Answer: staggered
⩥the least stable conformation of propane is
Answer: eclipsed
⩥what is the C-C-C bond angle of cyclobutane?
Answer: 90 degrees
⩥benzonitrile
Answer: benzene with a 3 (-) N
⩥What class of organic compounds result when cyclopentanone reacts
with ethylamine in the presence of trace acid?
Answer: Imine
⩥what product results from the SN2 reaction between R-2-
chloropentane and hydroxide?
Answer: S-2-pentanol
