Question 1

Which picture BEST represents a compound?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a compound. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a compound. C

Question 2

Which task is NOT impacted by chemistry?

Accepted Answer

A)  improving water quality 
B)  harvesting solar energy 
C)  synthesizing new medicines 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry. 
A)  improving water quality 
B)  harvesting solar energy 
C)  synthesizing new medicines 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry. D

Question 3

A patient arrives at a doctor's office complaining of head congestion and lethargy.The nurse thinks the patient may have a sinus infection.The nurse is making a _____ concerning her patient's condition.

Accepted Answer

A)  theory 
B)  scientific law 
C)  hypothesis 
D)  postulate 
A)  theory 
B)  scientific law 
C)  hypothesis 
D)  postulate C

Question 4

Which picture BEST represents a pure element?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a pure element. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a pure element.

Question 5

Which example BEST describes something moving to a higher energy state?

Accepted Answer

A)  a ball rolling off a table 
B)  a carbonated 2-liter bottle of soda erupting after opening it for the first time 
C)  organizing your room 
D)  riding a bicycle down a hill 
A)  a ball rolling off a table 
B)  a carbonated 2-liter bottle of soda erupting after opening it for the first time 
C)  organizing your room 
D)  riding a bicycle down a hill

Question 6

Liquid gasoline is heated and becomes gasoline vapor.The gasoline vapor is then ignited by a spark,causing a fire.The entire process is:

Accepted Answer

A)  first an exothermic change followed by an endothermic process. 
B)  first an endothermic change followed by an exothermic process. 
C)  only exothermic changes. 
D)  only endothermic changes. 
A)  first an exothermic change followed by an endothermic process. 
B)  first an endothermic change followed by an exothermic process. 
C)  only exothermic changes. 
D)  only endothermic changes.

Question 7

Chemistry that is essential to the understanding of energy and motion is found within the field of:

Accepted Answer

A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology. 
A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology.

Question 8

Chemistry that is essential to the understanding of the human body is found within the field of:

Accepted Answer

A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology. 
A)  physics. 
B)  biology/medicine. 
C)  materials. 
D)  geology.

Question 9

Which phase of matter has a definite volume and shape?

Accepted Answer

A)  plasma 
B)  solid 
C)  liquid 
D)  gas 
A)  plasma 
B)  solid 
C)  liquid 
D)  gas

Question 10

Which task is NOT impacted by chemistry?

Accepted Answer

A)  painting a picture on a canvas 
B)  playing a violin 
C)  fertilizing a field 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry. 
A)  painting a picture on a canvas 
B)  playing a violin 
C)  fertilizing a field 
D)  All of these tasks are impacted by chemistry. 
E)  None of these tasks is impacted by chemistry.

Question 11

Which picture BEST represents a mixture of pure elements?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a mixture of pure elements. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a mixture of pure elements.

Question 12

Which example undergoes continued testing and refinement so that we know more about how something happens in nature?

Accepted Answer

A)  theory 
B)  scientific law 
C)  hypothesis 
D)  experiment 
A)  theory 
B)  scientific law 
C)  hypothesis 
D)  experiment

Question 13

Which example has the MOST kinetic energy?

Accepted Answer

A)  a car driving at 80 mph 
B)  a snail moving across the ground 
C)  an airplane flying over Texas 
D)  a 2-pound weight resting on the floor 
A)  a car driving at 80 mph 
B)  a snail moving across the ground 
C)  an airplane flying over Texas 
D)  a 2-pound weight resting on the floor

Question 14

A highly reactive chemical compound reacts with another compound and produces products that are more stable than the initial reactants.During this chemical reaction,heat was released.According to this information,this reaction was:

Accepted Answer

A)  exothermic. 
B)  endothermic. 
C)  both exothermic and endothermic. 
D)  unable to be determined as either exothermic or endothermic. 
A)  exothermic. 
B)  endothermic. 
C)  both exothermic and endothermic. 
D)  unable to be determined as either exothermic or endothermic.

Question 15

Which weight has the GREATEST potential energy?

Accepted Answer

A)  a 2-pound weight resting on the floor 
B)  a 2-pound weight on a shelf 3 feet above the ground 
C)  a 2-pound weight on the roof of a house 
D)  a 2-pound weight at the top of a building 
A)  a 2-pound weight resting on the floor 
B)  a 2-pound weight on a shelf 3 feet above the ground 
C)  a 2-pound weight on the roof of a house 
D)  a 2-pound weight at the top of a building

Question 16

By definition,which substance CANNOT be broken down into simpler substances?

Accepted Answer

A)  gas 
B)  element 
C)  compound 
D)  liquid 
A)  gas 
B)  element 
C)  compound 
D)  liquid

Question 17

A chemical change always involves a change in the _____ of matter.

Accepted Answer

A)  state 
B)  composition 
C)  volume 
D)  temperature 
A)  state 
B)  composition 
C)  volume 
D)  temperature

Question 18

Which picture BEST represents a homogeneous mixture?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a homogeneous mixture. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a homogeneous mixture.

Question 19

Which picture BEST represents a mixture?

Accepted Answer

A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a mixture. 
A)  a. 
B)  b. 
C)  c. 
D)  All of these pictures represent a mixture.

Question 20

Energy harvested by plants from sunlight allows for the storage of glucose in their cells.When plants do this,their _____ increases.

Accepted Answer

A)  potential energy 
B)  kinetic energy 
C)  heat energy 
D)  force 
A)  potential energy 
B)  kinetic energy 
C)  heat energy 
D)  force

Which picture BEST represents a compound?

Which task is NOT impacted by chemistry?

A patient arrives at a doctor's office complaining of head congestion and lethargy.The nurse thinks the patient may have a sinus infection.The nurse is making a _____ concerning her patient's condition.

Which picture BEST represents a pure element?

Which example BEST describes something moving to a higher energy state?

Liquid gasoline is heated and becomes gasoline vapor.The gasoline vapor is then ignited by a spark,causing a fire.The entire process is:

Chemistry that is essential to the understanding of energy and motion is found within the field of:

Chemistry that is essential to the understanding of the human body is found within the field of:

Which phase of matter has a definite volume and shape?

Which task is NOT impacted by chemistry?

Which picture BEST represents a mixture of pure elements?

Which example undergoes continued testing and refinement so that we know more about how something happens in nature?

Which example has the MOST kinetic energy?

A highly reactive chemical compound reacts with another compound and produces products that are more stable than the initial reactants.During this chemical reaction,heat was released.According to this information,this reaction was:

Which weight has the GREATEST potential energy?

By definition,which substance CANNOT be broken down into simpler substances?

A chemical change always involves a change in the _____ of matter.

Which picture BEST represents a homogeneous mixture?

Which picture BEST represents a mixture?

Energy harvested by plants from sunlight allows for the storage of glucose in their cells.When plants do this,their _____ increases.

Measurement

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

Exam 1: Foundations

Which picture BEST represents a compound?

Which task is NOT impacted by chemistry?

A patient arrives at a doctor's office complaining of head congestion and lethargy.The nurse thinks the patient may have a sinus infection.The nurse is making a _____ concerning her patient's condition.

Which picture BEST represents a pure element?

Which example BEST describes something moving to a higher energy state?

Liquid gasoline is heated and becomes gasoline vapor.The gasoline vapor is then ignited by a spark,causing a fire.The entire process is:

Chemistry that is essential to the understanding of energy and motion is found within the field of:

Chemistry that is essential to the understanding of the human body is found within the field of:

Which phase of matter has a definite volume and shape?

Which task is NOT impacted by chemistry?

Which picture BEST represents a mixture of pure elements?

Which example undergoes continued testing and refinement so that we know more about how something happens in nature?

Which example has the MOST kinetic energy?

A highly reactive chemical compound reacts with another compound and produces products that are more stable than the initial reactants.During this chemical reaction,heat was released.According to this information,this reaction was:

Which weight has the GREATEST potential energy?

By definition,which substance CANNOT be broken down into simpler substances?

A chemical change always involves a change in the _____ of matter.

Which picture BEST represents a homogeneous mixture?

Which picture BEST represents a mixture?

Energy harvested by plants from sunlight allows for the storage of glucose in their cells.When plants do this,their _____ increases.

Measurement

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solids, Liquids, and Gases

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters