Introductory Chemistry Essentials 5th Edition by Nivado Tro -Test Bank

Global Outcome:  G2

4) Different molecules can have different shapes.

Answer:  TRUE

Diff: 1     Page Ref: 1.1

Global Outcome:  G1

5) The properties of water do not depend on how the atoms are bonded together in the molecule.

Answer:  FALSE Introductory Chemistry, 5e (Tro)

Chapter 1   The Chemical World

True/False Questions

1) Chemicals make up everything around you, including your own body.

Answer:  TRUE

Diff: 1     Page Ref: 1.1

Learning Outcome:  1.1

Global Outcome:  G1

2) Chemists study the properties of substances and the particles that compose those substances.

Answer:  TRUE

Diff: 1     Page Ref: 1.1

Learning Outcome:  1.1

Global Outcome:  G1

3) When a sealed can of soda pop is opened, the carbon dioxide gas fizzes out because the pressure is released.

Answer:  TRUE

Diff: 1     Page Ref: 1.1

Learning Outcome:  1.2

Diff: 1     Page Ref: 1.1

Learning Outcome:  1.2

Global Outcome:  G1

6) Both carbon dioxide molecules and water molecules consist of three atoms bonded together in a straight line.

Answer:  FALSE

Diff: 1     Page Ref: 1.1

Learning Outcome:  1.2

Global Outcome:  G1

7) Molecules are responsible for scattering light which causes the colors of the sunset.

Answer:  TRUE

Diff: 1     Page Ref: 1.2

Learning Outcome:  1.2

Global Outcome:  G1

8) All things are made of atoms or molecules.

Answer:  TRUE

Diff: 1     Page Ref: 1.3

Learning Outcome:  1.2

Global Outcome:  G1

9) Atoms and molecules determine how matter behaves.

Answer:  TRUE

Diff: 1     Page Ref: 1.3

Learning Outcome:  1.2

Global Outcome:  G1

10) Chemistry is the science that seeks to understand what matter does by studying living organisms.

Answer:  FALSE

Diff: 1     Page Ref: 1.3

Learning Outcome:  1.3

Global Outcome:  G1

11) The scientific method emphasizes reason as the way to understand the world.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G5

12) A hypothesis can never be proven as wrong.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G1

13) A theory is always true and can never be proven as wrong.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Global Outcome:  G1

14) Theories can be tested and validated through experimentation.

Answer:  TRUE

Diff: 1     Page Ref: 1.4

Global Outcome:  G9

15) If experimental results contradict a hypothesis, the hypothesis must be either revised or discarded.

Answer:  TRUE

Diff: 1     Page Ref: 1.4

Global Outcome:  G1

16) The Greek philosophers used observation and experimentation to understand the world.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Global Outcome:  G1

17) A scientific law is a brief statement that summarizes past observations and predicts future ones.

Answer:  TRUE

Diff: 1     Page Ref: 1.4

Global Outcome:  G1

18) The law of conservation of mass states, "In a chemical reaction matter can be created and destroyed."

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Global Outcome:  G1

19) Antoine Lavoisier observed that burning objects in a closed container resulted in a loss of mass.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Global Outcome:  G1

20) A scientific theory describes the underlying reasons for observations and laws.

Answer:  TRUE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G1

21) The scientific method ensures that poor theories are eliminated over time and good theories remain.

Answer:  TRUE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G1

22) A theory is the equivalent of an opinion.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G1

23) Antoine Lavoisier proposed the atomic theory.

Answer:  FALSE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G1

24) John Dalton proposed the atomic theory.

Answer:  TRUE

Diff: 1     Page Ref: 1.4

Learning Outcome:  1.3

Global Outcome:  G1