THE Test Bank for Chemistry The Central Science 14th Edition Brown
16 views 0 purchase
Course
Chemistry The Central Science 14th Edition Brown
Institution
Chemistry The Central Science 14th Edition Brown
Book
Chemistry: The Central Science
Chemistry: The Central Science, 14e (Brown, et al.)
Chapter 2 Atoms, Molecules, and Ions
2.1 Multiple-Choice Questions
1) A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement
of ________.
A) the law of multiple proportions
B) the law of constant composi...
TEST BANK for Chemistry, The Central Science 15th Edition Theodore Brown; Eugene LeMay; Bruce Bursten. (Complete Chapters 1-24) ultimate guide 100% verified A+.
TEST BANK for Chemistry, The Central Science 15th Edition Theodore Brown; Eugene LeMay; Bruce Bursten. (Complete Chapters 1-24) 2025-2025 A+
Test Bank for Chemistry The Central Science 15th Edition Brown
All for this textbook (27)
Written for
Chemistry The Central Science 14th Edition Brown
All documents for this subject (5)
Seller
Follow
NurseAdvocate
Reviews received
Content preview
,DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition
Brown
Chemistry: The Central Science, 14e (Brown, et al.)
Chapter 2 Atoms, Molecules, and Ions
2.1 Multiple-Choice Questions
1) A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement
of ________.
A) the law of multiple proportions
B) the law of constant composition
C) the law of conservation of mass
D) the law of conservation of energy
E) none of the above
Answer: B
Diff: 2 Var: 1 Page Ref: Sec. 2.1
LO: 2.1
GO: G2
2) Which one of the following is not one of the postulates of Dalton's atomic theory?
A) Atoms are composed of protons, neutrons, and electrons.
B) All atoms of a given element are identical; the atoms of different elements are different and
have different properties.
C) Atoms of an element are not changed into different types of atoms by chemical reactions:
atoms are neither created nor destroyed in chemical reactions.
D) Compounds are formed when atoms of more than one element combine; a given compound
always has the same relative number and kind of atoms.
E) Each element is composed of extremely small particles called atoms.
Answer: A
Diff: 1 Var: 1 Page Ref: Sec. 2.1
LO: 2.1
GO: G2
3) Consider the following selected postulates of Dalton's atomic theory:
(i) Each element is composed of extremely small particles called atoms.
(ii) Atoms are indivisible.
(iii) Atoms of a given element are identical.
(iv) Atoms of different elements are different and have different properties.
,DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition
Brown
4) Which pair of substances could be used to illustrate the law of multiple proportions?
A) SO2, H2SO4
B) CO, CO2
C) H2O, O2
D) CH4, C6H12O6
E) NaCl, KCl
Answer: B
Diff: 1 Var: 1 Page Ref: Sec. 2.1
LO: 2.1
GO: G2
5) 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 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
6) Which one of the following is not true concerning cathode rays?
A) They originate from the negative electrode.
B) They travel in straight lines in the absence of electric or magnetic fields.
C) They impart a negative charge to metals exposed to them.
D) They are made up of electrons.
E) The characteristics of cathode rays depend on the material from which they are emitted.
Answer: E
Diff: 2 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
7) The charge on an electron was determined in the ________.
A) cathode ray tube, by J. J. Thomson
B) Rutherford gold foil experiment
C) Millikan oil drop experiment
D) Dalton atomic theory
E) atomic theory of matter
Answer: C
Diff: 1 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
, DOWNLOAD THE Test Bank for Chemistry The Central Science 14th Edition
Brown
8) ________-rays consist of fast-moving electrons.
A) Alpha
B) Beta
C) Gamma
D) X
E) none of the above
Answer: B
Diff: 1 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
9) The gold foil experiment performed in Rutherford's lab ________.
A) confirmed the plum-pudding model of the atom
B) led to the discovery of the atomic nucleus
C) was the basis for Thomson's model of the atom
D) utilized the deflection of beta particles by gold foil
E) proved the law of multiple proportions
Answer: B
Diff: 1 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
10) In the Rutherford nuclear-atom model, ________.
A) the heavy subatomic particles, protons and neutrons, reside in the nucleus
B) the three principal subatomic particles (protons, neutrons, and electrons) all have essentially
the same mass
C) the light subatomic particles, protons and neutrons, reside in the nucleus
D) mass is spread essentially uniformly throughout the atom
E) the three principal subatomic particles (protons, neutrons, and electrons) all have essentially
the same mass and mass is spread essentially uniformly throughout the atom
Answer: A
Diff: 1 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
11) Cathode rays are ________.
A) neutrons
B) X-rays
C) electrons
D) protons
E) atoms
Answer: C
Diff: 1 Var: 1 Page Ref: Sec. 2.2
LO: 2.2
GO: G2
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NurseAdvocate. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
