CHEM 1020 COMPREHENSIVE TEST SCRIPT
2026 FULL QUESTIONS AND CORRECT
ANSWERS GRADED A+
●● What does a structural formula look like?.
Answer: CH3CH2CH3
●● What is the molecular formula of a straight chain alkane with 12
carbon atoms?.
Answer: C12H26
●● Which of the following alkanes would you expect to be a solid?
C8H18
C20H42
CH4
C3H8.
Answer: C20H42
●● Carbon forms strong covalent bonds with each of the following
elements EXCEPT:
Carbon
Nitrogen
, Oxygen
Carbon bonds strongly to all of the above.
Answer: Carbon bonds strongly to all of the above
●● All of the following molecules except __________ make up a
homologous series?
CH3CH2CH3
CH3CH2CH2CH2CH3
CH3CH2CH2CH3
CH3CHCHCH3.
Answer: CH3CHCHCH3
●● Which element typically wants to have 3 covalent bonds around
itself?
C
P
S
Br.
Answer: P
●● Which is the correct molecular formula for heptane?.
Answer: C7H16
2026 FULL QUESTIONS AND CORRECT
ANSWERS GRADED A+
●● What does a structural formula look like?.
Answer: CH3CH2CH3
●● What is the molecular formula of a straight chain alkane with 12
carbon atoms?.
Answer: C12H26
●● Which of the following alkanes would you expect to be a solid?
C8H18
C20H42
CH4
C3H8.
Answer: C20H42
●● Carbon forms strong covalent bonds with each of the following
elements EXCEPT:
Carbon
Nitrogen
, Oxygen
Carbon bonds strongly to all of the above.
Answer: Carbon bonds strongly to all of the above
●● All of the following molecules except __________ make up a
homologous series?
CH3CH2CH3
CH3CH2CH2CH2CH3
CH3CH2CH2CH3
CH3CHCHCH3.
Answer: CH3CHCHCH3
●● Which element typically wants to have 3 covalent bonds around
itself?
C
P
S
Br.
Answer: P
●● Which is the correct molecular formula for heptane?.
Answer: C7H16