Question 1

The scanning probe microscope

Accepted Answer

A) uses very large mirrors and lenses to enhance an image. 
B) can scan small things from a large distance away,such as the surface of the Moon. 
C) characterizes the surface atoms of a material. 
D) vaporizes a substance,then analyzes and manipulates the components. 
A) uses very large mirrors and lenses to enhance an image. 
B) can scan small things from a large distance away,such as the surface of the Moon. 
C) characterizes the surface atoms of a material. 
D) vaporizes a substance,then analyzes and manipulates the components. C

Question 2

In naming compounds,the prefix is used to

Accepted Answer

A) indicate the level of toxicity. 
B) categorize the compound. 
C) indicate the relative number of atoms. 
D) indicate the relative number of molecules. 
A) indicate the level of toxicity. 
B) categorize the compound. 
C) indicate the relative number of atoms. 
D) indicate the relative number of molecules. C

Question 3

In the winter Vermonters make a tasty treat called "sugar on snow" in which they pour boiled-down maple syrup onto a scoop of clean fresh snow.As the syrup hits the snow it forms a delicious taffy.Which of the following changes are involved in the making of sugar on snow?

Accepted Answer

A) Boiling down the maple syrup involves the evaporation of water. 
B) The syrup warms the snow causing it to melt while the syrup becomes more viscous. 
C) As the maple syrup is boiled the sugar within the syrup begins to caramelize,which is an example of a chemical change. 
D) All of the above changes are involved in the making of sugar on snow. 
A) Boiling down the maple syrup involves the evaporation of water. 
B) The syrup warms the snow causing it to melt while the syrup becomes more viscous. 
C) As the maple syrup is boiled the sugar within the syrup begins to caramelize,which is an example of a chemical change. 
D) All of the above changes are involved in the making of sugar on snow. D

Question 4

Each night you measure your height just before going to bed.When you arise each morning,you measure your height again and consistently find that you are 1 inch taller than you were the night before but only as tall as you were 24 hours ago! Is what happens to your body in this instance best described as a physical change or a chemical change?

Accepted Answer

A) chemical change because it involves your body 
B) physical change because it readily reverses 
C) chemical change because it involves changes in your bone structure 
D) physical change because water expands as it freezes 
A) chemical change because it involves your body 
B) physical change because it readily reverses 
C) chemical change because it involves changes in your bone structure 
D) physical change because water expands as it freezes

Question 5

When two elements come together to form a compound,which element is named first within the name of the compound?

Accepted Answer

A) The element coming first in the English alphabet. 
B) The element with the greater atomic mass. 
C) The element with the greater atomic number. 
D) The element toward the left hand side of the periodic table. 
A) The element coming first in the English alphabet. 
B) The element with the greater atomic mass. 
C) The element with the greater atomic number. 
D) The element toward the left hand side of the periodic table.

Question 6

Which of the following can be classified as matter?

Accepted Answer

A) water 
B) sand 
C) perfume 
D) ice cream 
E) all of the above 
A) water 
B) sand 
C) perfume 
D) ice cream 
E) all of the above

Question 7

Which of the following is an example of a chemical change?

Accepted Answer

A) gasoline being used in the engine of a car producing exhaust 
B) water freezing into ice crystals 
C) aftershave or perfume on your skin generating a smell 
D) a piece of metal expanding when heated,but returning to original size when cooled 
E) breaking a glass window 
A) gasoline being used in the engine of a car producing exhaust 
B) water freezing into ice crystals 
C) aftershave or perfume on your skin generating a smell 
D) a piece of metal expanding when heated,but returning to original size when cooled 
E) breaking a glass window

Question 8

Which of the following would be considered a chemical property?

Accepted Answer

A) reactivity towards water 
B) melting temperature 
C) boiling temperature 
D) conductivity 
E) flexibility 
A) reactivity towards water 
B) melting temperature 
C) boiling temperature 
D) conductivity 
E) flexibility

Question 9

Which of the following would be considered a physical property?

Accepted Answer

A) density 
B) flammability 
C) corrosion resistance 
D) reactivity towards acid 
E) oxygen sensitivity 
A) density 
B) flammability 
C) corrosion resistance 
D) reactivity towards acid 
E) oxygen sensitivity

Question 10

The "Responsible Care" program was created by

Accepted Answer

A) academica. 
B) the government. 
C) industry. 
D) non-profit non-governmental organizations. 
A) academica. 
B) the government. 
C) industry. 
D) non-profit non-governmental organizations.

Question 11

Of the three sciences,physics,chemistry,and biology,the most complex is

Accepted Answer

A) physics because it involves many mathematical equations. 
B) chemistry because there are so many possible combinations of atoms. 
C) biology because it is based upon both the laws of chemistry and physics. 
D) All three of these sciences are equally complex. 
A) physics because it involves many mathematical equations. 
B) chemistry because there are so many possible combinations of atoms. 
C) biology because it is based upon both the laws of chemistry and physics. 
D) All three of these sciences are equally complex.

Question 12

Is chemistry the study of the submicroscopic,the microscopic,or the macroscopic,or all three?

Accepted Answer

A) Submicroscopic because it deals with atoms and molecules,which can't be seen with a microscope. 
B) Microscopic because it pertains to the formation of crystals. 
C) Macroscopic because it deals with powders,liquids,and gases that fill beakers and flasks. 
D) All of the above because most everything is made of atoms and molecules. 
A) Submicroscopic because it deals with atoms and molecules,which can't be seen with a microscope. 
B) Microscopic because it pertains to the formation of crystals. 
C) Macroscopic because it deals with powders,liquids,and gases that fill beakers and flasks. 
D) All of the above because most everything is made of atoms and molecules.

Question 13

What is the name of the following compound? CaCl2

Accepted Answer

A) calcium chloride 
B) carbon chloride 
C) dichlorocalcium 
D) calc two 
E) dicalcium chloride 
A) calcium chloride 
B) carbon chloride 
C) dichlorocalcium 
D) calc two 
E) dicalcium chloride

Question 14

How many different elements are in the compound C6H12O6?

Accepted Answer

A) 3 
B) 6 
C) 24 
D) All of the elements are the same. 
A) 3 
B) 6 
C) 24 
D) All of the elements are the same.

Question 15

Nanotechnology may play an important role in the development of

Accepted Answer

A) space elevators. 
B) windfarms. 
C) bullet proof clothing. 
D) a storage medium for hydrogen fuel. 
E) all of the above 
A) space elevators. 
B) windfarms. 
C) bullet proof clothing. 
D) a storage medium for hydrogen fuel. 
E) all of the above

Question 16

What is the name of the following compound? CO2

Accepted Answer

A) carbon dioxide 
B) dicobalt 
C) dioxocarbon 
D) calcium oxide 
E) calcium dioxide 
A) carbon dioxide 
B) dicobalt 
C) dioxocarbon 
D) calcium oxide 
E) calcium dioxide

Question 17

Which of the following would be considered basic research?

Accepted Answer

A) examining why a mouse likes cheddar cheese more than swiss cheese 
B) studying ways of catching mice safely 
C) testing the strength of a mouse cage 
D) examining how quickly a trapdoor closes 
E) testing a safe,nontoxic mouse glue 
A) examining why a mouse likes cheddar cheese more than swiss cheese 
B) studying ways of catching mice safely 
C) testing the strength of a mouse cage 
D) examining how quickly a trapdoor closes 
E) testing a safe,nontoxic mouse glue

Question 18

Which of the following would not be considered a physical property?

Accepted Answer

A) temperature at which a material catches on fire 
B) color 
C) conductivity 
D) hardness 
E) temperature at which a material melts 
A) temperature at which a material catches on fire 
B) color 
C) conductivity 
D) hardness 
E) temperature at which a material melts

Question 19

Microtechnology began

Accepted Answer

A) about 60 years ago with the invention of solid state transistors. 
B) in the 1990s with the use of computers. 
C) with the development of micron chemistry in the early 1800s. 
D) at the close of World War II. 
A) about 60 years ago with the invention of solid state transistors. 
B) in the 1990s with the use of computers. 
C) with the development of micron chemistry in the early 1800s. 
D) at the close of World War II.

Question 20

Classify the following changes as physical or chemical.Wood burns to ashes; water begins to boil; grass grows; a rock is crushed to powder.

Accepted Answer

A) chemical; physical; chemical; chemical 
B) chemical; physical; physical; physical 
C) physical; physical; chemical; physical 
D) chemical; physical; chemical; physical 
A) chemical; physical; chemical; chemical 
B) chemical; physical; physical; physical 
C) physical; physical; chemical; physical 
D) chemical; physical; chemical; physical

Exam 14: Elements of Chemistry

The scanning probe microscope

In naming compounds,the prefix is used to

In the winter Vermonters make a tasty treat called "sugar on snow" in which they pour boiled-down maple syrup onto a scoop of clean fresh snow.As the syrup hits the snow it forms a delicious taffy.Which of the following changes are involved in the making of sugar on snow?

When two elements come together to form a compound,which element is named first within the name of the compound?

Which of the following can be classified as matter?

Which of the following is an example of a chemical change?

Which of the following would be considered a chemical property?

Which of the following would be considered a physical property?

The "Responsible Care" program was created by

Of the three sciences,physics,chemistry,and biology,the most complex is

Is chemistry the study of the submicroscopic,the microscopic,or the macroscopic,or all three?

What is the name of the following compound? CaCl2

How many different elements are in the compound C6H12O6?

Nanotechnology may play an important role in the development of

What is the name of the following compound? CO2

Which of the following would be considered basic research?

Which of the following would not be considered a physical property?

Microtechnology began

Classify the following changes as physical or chemical.Wood burns to ashes; water begins to boil; grass grows; a rock is crushed to powder.

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters

What is the name of the following compound? CaCl₂

How many different elements are in the compound C₆H₁₂O₆?

What is the name of the following compound? CO₂