Chemistry, 11e (Brown/LeMay/Brusten/Murphy)
Chapter 2:Atoms, Molecules, and Ions
2.1 Multiple-Choice and Bimodal Questions
1) A certain mass of carbon reacts with 13.6 g of oxygen to form carbon monoxide.
__________
...
Chemistry, 11e (Brown/LeMay/Brusten/Murphy)
Chapter 2:Atoms, Molecules, and Ions
2.1 Multiple-Choice and Bimodal Questions
1) A certain mass of carbon reacts with 13.6 g of oxygen to form carbon monoxide.
__________ grams of oxygen would react with that same mass of carbon to form carbon
dioxide, according to the law of multiple proportions?
A) 25.6
B) 6.8
C) 13.6
D) 136
E) 27.2
Answer: E
Diff: 3
Page Ref: Sec. 2.1
2) Methane and ethane are both made up of carbon and hydrogen. In methane, there are
12.0 g of carbon for every 4.00 g of hydrogen, a ratio of 3:1 by mass. In ethane, there are
24.0 g of carbon for every 6.00 g of hydrogen, a ratio of 4:1 by mass. This is an
illustration of the law of __________.
A) constant composition
B) multiple proportions
C) conservation of matter
D) conservation of mass
E) octaves
Answer: B
Diff: 2
Page Ref: Sec. 2.1Chemistry, 11e (Brown/LeMay/Brusten/Murphy)
Chapter 2:Atoms, Molecules, and Ions
3) Which statement below correctly describes the responses of alpha, beta, and gamma
radiation to an electric field?
A) Both beta and gamma are deflected in the same direction, while alpha shows no
response.
B) Both alpha and gamma are deflected in the same direction, while beta shows no
response.
C) Both alpha and beta are deflected in the same direction, while gamma shows no
response.
D) Alpha and beta are deflected in opposite directions, while gamma shows no response.
E) Only alpha is deflected, while beta and gamma show no response.
Answer: D
Diff: 2
Page Ref: Sec. 2.2
4) __________ and __________ reside in the atomic nucleus.
A) Protons, electrons
B) Electrons, neutrons
C) Protons, neutrons
D) none of the above
E) Neutrons, only neutrons
Answer: C
Diff: 1
Page Ref: Sec. 2.2
5) 200 pm is the same as __________ Å.
A) 2000
B) 20
C) 200
D) 2
E)
Answer
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