Chapter 1 Quiz (Part 1)
This quiz covers the fist half of Chapter 1: Chemical Foundations in your textbook.
- 1.For the fist time we can "see" individual atoms. Of course, we cannot see them with the naked eye but we must use a special device called what?
- A.
Scanning Electron Microscope
- B.
Special Trap
- C.
Scanning Tunneling Microscope
- D.
Light Microscope
- 2.We are fairly sure that matter consists of individual atoms. The nature of these atoms is quite complex, and the components of atoms don't behave much like the objects we see in the world of our experience. We call this world the __________.
- A.
Microscopic world
- B.
Macroscopic world
- 3.One of the main challenges of chemistry is to understand the connection between the macroscopic world that we experience and the microscopic world of atoms and molecules. To truly understand chemistry you must learn to think on what level?
- A.
Nuclear
- B.
Electric
- C.
Atomic
- D.
Subatomic
- 4.It is the way the atoms are organized in a given substance that determines the properties of that substance. For example, _________, one of the most common and important substances on earth is composed of two types of atoms: hydrogen and oxygen.
- A.
Water
- B.
Sand
- C.
Bridges
- D.
Alphabet
- 5.What does the word "diatomic" mean?
- A.
Chemicals
- B.
Substances
- C.
Two-atoms
- D.
One-atom
- 6.Part of the reason for learning chemistry, therefore, is to become a better what?
- A.
Problem solver
- B.
Scientist
- C.
Driver
- D.
Student
- 7.The process that lies at the center of scientific inquiry is called the ____________.
- A.
Scientific inquiry
- B.
Scientific method
- C.
Law of chemistry
- D.
Diatomic atom
- 8.A hypothesis is a possible explanation for a(n) _____________.
- A.
Prediction
- B.
Data
- C.
Hypothesis
- D.
Observation
- 9.What kind of observation does not involve a number?
- A.
Qualitative
- B.
Quantitative
- C.
Quantum
- D.
Hypothesis
- 10.What kind of observation involves both a number and a unit? This is also called a measurement.
- A.
Qualitative
- B.
Quantitative
- C.
Quantum
- D.
Hypothesis
- 11.A possible explanation of why nature behaves in a particular way is called what?
- A.
Law
- B.
Hypothesis
- C.
Interpretation
- D.
Mass
- 12.Theories are often called ____________.
- A.
Hypotheses
- B.
Models
- C.
Inferences
- D.
Laws
- 13.The observation that the total mass of materials is not affected by a chemical change in those materials is called what?
- A.
Law of conservation of mass
- B.
Natural law
- C.
Theory (model)
- D.
Procedure
- 14.Which system of measurement is used in the United States?
- A.
Metric
- B.
English
- 15.Which system of measurement is used by all of the industrialized world except for the United States?
- A.
Metric
- B.
English
- 16.In 1960, an international agreement set up a system of units called the International System, or the _____________.
- A.
English system
- B.
SI system
- C.
Fundamental unit
- D.
Number system
- 17.Because the _____________ are not always convenient, prefixes are used to change the size of a unit.
- A.
Fundamental units
- B.
Measurements
- C.
Foreign cars
- D.
Observations
- 18.One liter contains how many milliliters?
- A.
1
- B.
10
- C.
100
- D.
1000
- 19.Which of the following is a force?
- A.
Mass
- B.
Weight
- 20.Which type of error occurs in the same place in the same way every time?
- A.
Random error
- B.
Systematic error
- C.
Significant figures
- D.
Uncertainty
Questions: 15 | Attempts: 48 | Last updated: Oct 20, 2016
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