Exam (elaborations)
Chemistry Atoms First 1st Edition Burdge Overby - Test bank
- Course
- Institution
Test Bank For Chemistry Atoms First 1st Edition By Burdge Overby Complete Test bank
[Show more]
Seller
Follow
ExamsExpert
Reviews received
Content preview
, Chapter 1: Chemistry: The Science of ChangeChapter 1: Chemistry: The Science of Change
1. What is a unifying principle that explains a body of experimental observations?
A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction
Ans: C Difficulty: Easy
2. What is defined as a tentative explanation for observations that are made that result in
the formulation of this concept?
A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction
Ans: B Difficulty: Easy
3. What is term used for findings that are summarized based on a pattern or trend?
A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction
Ans: A Difficulty: Easy
4. Which of the following activities is not a part of good science?
A) Proposing a theory D) Designing experiments
B) Developing a hypothesis E) Indulging in speculation
C) Making quantitative observations
Ans: E Difficulty: Easy
5. Which one of the following is a "substance" in the sense of the word as used in your
textbook?
A) Air B) Tap water C) Sea water D) Water E) Toothpaste
Ans: D Difficulty: Medium
6. Which of the following cannot be separated into a simpler substance by chemical
means?
A) Element D) Homogeneous mixture
B) Emulsion E) Heterogeneous mixture
C) Compound
Ans: A Difficulty: Medium
7. If a liquid contains 60% sugar and 40% water throughout its composition then what is it
called?
A) Solute D) Heterogeneous mixture
B) Compound E) Solvent
C) Homogeneous mixture
Page 1
© 2012 by McGraw-Hill Education. This is proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any
manner. This document may not be copied, scanned, duplicated, forwarded, distributed, or posted on a website, in whole or part.
, Chapter 1: Chemistry: The Science of Change
Ans: C Difficulty: Medium
8. Which of the following does not have a uniform composition throughout?
A) Element D) Heterogeneous mixture
B) Compound E) Solvent
C) Homogeneous mixture
Ans: D Difficulty: Easy
9. Which of the following is not an S.I. base unit?
A) Meter B) Ampere C) Second D) Gram E) Kelvin
Ans: D Difficulty: Medium
10. The S.I. base unit of mass is
A) mg B) g C) kg D) metric ton E) lb
Ans: C Difficulty: Medium
11. The S.I. prefix mega- (M) means
A) 10-6 B) 10-3 C) 103 D) 106 E) 109
Ans: D Difficulty: Easy
12. The SI prefixes milli and mega represent, respectively:
A) 106 and 10-6 D) 10– 3 and 109
B) 10– 3 and 106 E) 10– 6 and 10– 3
C) 103 and 10– 6
Ans: B Difficulty: Medium
13. How many micrograms are in 65.3kg?
A) 0.653 g D) 6.53 10-8 g
B) 6.53 107 g E) 6.53 1010 g
C) 6.53 104 g
Ans: E Difficulty: Difficult
14. A dose of medication was prescribed to be 35 microliters. Which of the following
expresses that volume in centiliters?
A) 3.5 105 cL D) 3.5 10-4 cL
B) 3.5 104 cL E) 3.5 10-3 cL
Page 2
© 2012 by McGraw-Hill Education. This is proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any
manner. This document may not be copied, scanned, duplicated, forwarded, distributed, or posted on a website, in whole or part.
, Chapter 1: Chemistry: The Science of Change
C) 3.5 cL
Ans: E Difficulty: Difficult
15. How many milliliters is 0.0055 L?
A) 0.55 mL B) 5.5 mL C) 0.5 mL D) 0.0000055 mL E) 182 mL
Ans: B Difficulty: Medium
16. How many hertz is 600.11 MHz?
A) 6.0011 10-4 Hz D) 6.0011 10-2 Hz
B) 60.011 Hz E) 6.0011 108 Hz
C) 6.0011 106 Hz
Ans: E Difficulty: Medium
17. The distance between carbon atoms in ethylene is 134 picometers. Which of the
following expresses that distance in meters?
A) 1.34 10-13 m D) 1.34 10-7 m
B) 1.34 10-12 m E) 1.34 10-6 m
C) 1.34 10-10 m
Ans: C Difficulty: Medium
18. Which of these quantities represents the largest mass?
A) 2.0 102 mg D) 2.0 102 cg
B) 0.0010 kg E) 10.0 dg
C) 1.0 105 g
Ans: D Difficulty: Difficult
19. The mass of a sample is 550 milligrams. Which of the following expresses that mass in
kilograms?
A) 5.5 108 kg D) 5.5 10-6 kg
B) 5.5 105 kg E) 5.5 10-1 kg
C) 5.5 10-4 kg
Ans: C Difficulty: Difficult
Page 3
© 2012 by McGraw-Hill Education. This is proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any
manner. This document may not be copied, scanned, duplicated, forwarded, distributed, or posted on a website, in whole or part.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
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 ExamsExpert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $29.87. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76747 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now