Smells 1 and 2 Review
How would you expect the following
molecule to smell?
butyric acid
A. Minty
C4H8O2
B. Sweet
Answer: Putrid
C. Putrid
D. Fishy
How would you expect the following
molecule to smell?
ethyl pentanoate
C7H14O2
A. Minty
C. Putrid
B. Sweet
Answer: Sweet
D. Fishy
How would you expect the following
molecule to smell?
Octyl formaline
C7H13N
A. Minty
C. Putrid
B. Sweet
Answer: Fishy
D. Fishy
How would you expect the following
molecule to smell?
Pulgone
A. Minty
C5H10O
B. Sweet
Answer: Minty
C. Putrid
D. Fishy
Which of the following is NOT a
molecule?
A. HBr
B. KF
C. CH4
Answer: KF, potassium is a metal
D. NH3
Which of the following IS
considered a molecule?
A. NaCl
B. TiO2
C. CaO
Answer: PF3, all nonmetals
D. PF3
What type of elements are
molecules composed of?
A. Only metals
B. Only metalloids
C. Only non-metals
D. Metals and non-metals
Answer: only non-metals
Which molecule is a REACTANT in
the chemical equation shown:
CH2O2 + C8H18O  H2O + C9H18O2
A. C8H18O
B. C9H18O2
C. H2O
D. Both C8H18O and H2O
Answer: A
Which molecule is a PRODUCT in
the chemical equation shown:
CH2O2 + C8H18O  H2O + C9H18O2
A. C8H18O
B. C9H18O2
C. CH2O2
D. Both C8H18O and CH2O2
Answer: B
Which is the best description of the
products in a chemical equation?
A. The molecules before any reaction occurs
B. The starting ingredients
C. The molecules during a chemical reaction
D. The molecules after a reaction has
occurred
Answer: D
What is an isomer?
A. Molecules with the same structure but
different molecular formula
B. Molecules with a different structure but the
same molecular formula
C. Molecules with the same structure and
molecular formula
D. Molecules with a different structure and
molecular formula
Answer: B
Which molecules have the same
structure?
Answer: D
A. Molecule 1 and 2
C. Molecule 4 and 1
B. Molecule 3 and 4
D. Molecules 1, 3 and 5
What functional group is present in
the molecule below?
A. Ketone
B. Ester
D. Carboxylic Acid
C. Amine
E. Alcohol
What functional group is present in
the molecule below?
A. Ketone
B. Ester
D. Carboxylic Acid
C. Amine
E. Alcohol
What functional group is present in
the molecule below?
A. Ketone
B. Ester
D. Carboxylic Acid
C. Amine
E. Alcohol
What functional group is present in
the molecule below?
A. Ketone
B. Ester
D. Carboxylic Acid
C. Amine
E. Alcohol
What functional group is present in
the molecule below?
Answer: E
A. Ketone
B. Ester
D. Carboxylic Acid
C. Amine
E. Alcohol
How many valence electrons does
bromine have?
A.
B.
C.
D.
E.
Answer: D
4
5
6
7
8
How many bonds can bromine
make when you draw the Lewis dot
symbol?
A.
B.
C.
D.
E.
Answer: A
1
2
3
4
5
How many lone pairs of electrons
does bromine have?
A.
B.
C.
D.
E.
Answer: C
1
2
3
4
5
How many valence electrons does
arsenic (As) have?
A.
B.
C.
D.
E.
Answer: B
4
5
6
7
8
How many bonds can an arsenic
atom make?
A.
B.
C.
D.
E.
Answer: C
1
2
3
4
5
How many lone pairs of electrons
does arsenic have?
A.
B.
C.
D.
E.
Answer: A
1
2
3
4
5
What molecular shape would H2S
have? (Draw the Lewis dot
structure to help)
A. Tetrahedral
B. Pyramidal
C. Bent
D. Linear
E. Point
Answer: C
What molecular shape would NBr3
have? (Draw the Lewis dot
structure to help)
A. Tetrahedral
B. Pyramidal
C. Bent
D. Linear
E. Point
Answer: B
What molecular shape would HF
have? (Draw the Lewis dot
structure to help)
A. Tetrahedral
B. Pyramidal
C. Bent
D. Linear
E. Point
Answer: D
What molecular shape would SiF4
have? (Draw the Lewis dot
structure to help)
A. Tetrahedral
B. Pyramidal
C. Bent
D. Linear
E. Point
Answer: A
What molecular shape would Kr
have? (Draw the Lewis dot
structure to help)
A. Tetrahedral
B. Pyramidal
C. Bent
D. Linear
E. Point
Answer: E
How many electrons are in a single
covalent bond?
A.
B.
C.
D.
E.
Answer: B
1
2
3
4
6
How many electrons are in a triple
covalent bond?
A.
B.
C.
D.
E.
Answer: E
1
2
3
4
6
How many electrons are in a double
covalent bond?
A.
B.
C.
D.
E.
Answer: D
1
2
3
4
6