Question 1

Which of the following is a physical property?

Accepted Answer

A)  freezing point 
B)  color 
C)  odor 
D)  all of the above 
A)  freezing point 
B)  color 
C)  odor 
D)  all of the above D

Question 2

Which of the following would convert 15 L of gasoline to gallons? (1.06 qt = 1 L ; 4 qts = 1 gal)

Accepted Answer

A)  (15) (1.06/1) (1/4) 
B)  (15) (1/1.06) (4/1) 
C)  (15) (1.06/1) (4/1) 
D)  (15) (1/1.06) (1/4) 
A)  (15) (1.06/1) (1/4) 
B)  (15) (1/1.06) (4/1) 
C)  (15) (1.06/1) (4/1) 
D)  (15) (1/1.06) (1/4) A

Question 3

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

Accepted Answer

A)  boiling water 
B)  iodine sublimating 
C)  barbecuing a steak 
D)  breaking a piece of glass 
A)  boiling water 
B)  iodine sublimating 
C)  barbecuing a steak 
D)  breaking a piece of glass C

Question 4

Which of the following is not one of the common states of matter?

Accepted Answer

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

Question 5

How many chemical formulas are in this chemical equation? P4(s) + 6 F2(g) $\to$ 4 PF3(g)

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  11 
A)  2 
B)  3 
C)  4 
D)  11

Question 6

How does the known number of nonmetals compare to that of metals?

Accepted Answer

A)  There are fewer metals. 
B)  There are an equal number of each. 
C)  There are fewer nonmetals. 
D)  This cannot be predicted because not all metals and nonmetals have been discovered. 
A)  There are fewer metals. 
B)  There are an equal number of each. 
C)  There are fewer nonmetals. 
D)  This cannot be predicted because not all metals and nonmetals have been discovered.

Question 7

Which of the following has the highest kinetic energy?

Accepted Answer

A)  boulder on the top of hill 
B)  water behind a dam 
C)  a ball falling from a 3 story building 
D)  a piece of wood 
A)  boulder on the top of hill 
B)  water behind a dam 
C)  a ball falling from a 3 story building 
D)  a piece of wood

Question 8

Which of the following sets, is a list of the symbols that could represent the following substances, respectively? lead a compound of equal parts hydrogen and oxygen elemental oxygen

Accepted Answer

A)  PB, H2O2, O 
B)  Pb, HO, O 
C)  Pb, H2O2, O2 
D)  PB, HO, O2 
A)  PB, H2O2, O 
B)  Pb, HO, O 
C)  Pb, H2O2, O2 
D)  PB, HO, O2

Question 9

The simplest form of matter is a(n)

Accepted Answer

A)  element. 
B)  mixture. 
C)  compound. 
D)  solution. 
A)  element. 
B)  mixture. 
C)  compound. 
D)  solution.

Question 10

In the balanced equation, 2 Al + 6 HCl $\to$ 2 AlCl3 + 3 H2, the sum of the coefficients of the reactants is

Accepted Answer

A) 5 
B) 8 
C) 13 
D) none of these 
A) 5 
B) 8 
C) 13 
D) none of these

Question 11

The most common unit of volume used in chemistry is the millimeter.

Accepted Answer

A) True 
 B)False

Question 12

Identify the nonmetal among those listed below.

Accepted Answer

A)  Fe 
B)  Na 
C)  S 
D)  Ag 
A)  Fe 
B)  Na 
C)  S 
D)  Ag

Question 13

Mg is the chemical symbol for ____________________.

Accepted Answer

The answer of Mg is the chemical symbol for ____________________....

Question 14

A person weighs 165 lbs. Which of the following would calculate their mass in kilograms if 2.2 lbs = 1 kg?

Accepted Answer

A)  165 $\times$ 2.2 
B)  165 ÷ 2.2 
C)  2.2 ÷ 165 
D)  165 + 2.2 
A)  165 $\times$ 2.2 
B)  165 ÷ 2.2 
C)  2.2 ÷ 165 
D)  165 + 2.2

Question 15

The SI multiple of 10-3 is indicated in a unit with the common prefix _________.

Accepted Answer

10⁶ 1,000,0

Question 16

Which of the following sets, is a list of the symbols for an element and a compound (in that order)?

Accepted Answer

A)  Mg, CO 
B)  CO, CO2 
C)  CO, Co 
D)  H2O2, P 
A)  Mg, CO 
B)  CO, CO2 
C)  CO, Co 
D)  H2O2, P

Question 17

A pure substance which can be decomposed into two or more pure substances is called a mixture.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is a physical change?

Accepted Answer

A)  souring of milk 
B)  ripening of fruit 
C)  frying an egg 
D)  melting 
A)  souring of milk 
B)  ripening of fruit 
C)  frying an egg 
D)  melting

Question 19

The quantity 10-9 (one billionth) is designated by the prefix

Accepted Answer

A)  pico. 
B)  nano. 
C)  centi. 
D)  mega. 
A)  pico. 
B)  nano. 
C)  centi. 
D)  mega.

Question 20

Which of the following is one of the classes of pure substances?

Accepted Answer

A)  compound 
B)  homogeneous mixture 
C)  solution 
D)  heterogeneous mixture 
A)  compound 
B)  homogeneous mixture 
C)  solution 
D)  heterogeneous mixture

Which of the following is a physical property?

Which of the following would convert 15 L of gasoline to gallons? (1.06 qt = 1 L ; 4 qts = 1 gal)

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

Which of the following is not one of the common states of matter?

How many chemical formulas are in this chemical equation? P₄(s) + 6 F₂(g) $\to$ 4 PF₃(g)

How does the known number of nonmetals compare to that of metals?

Which of the following has the highest kinetic energy?

Which of the following sets, is a list of the symbols that could represent the following substances, respectively? lead a compound of equal parts hydrogen and oxygen elemental oxygen

The simplest form of matter is a(n)

In the balanced equation, 2 Al + 6 HCl $\to$ 2 AlCl₃ + 3 H₂, the sum of the coefficients of the reactants is

The most common unit of volume used in chemistry is the millimeter.

Identify the nonmetal among those listed below.

Mg is the chemical symbol for ____________________.

A person weighs 165 lbs. Which of the following would calculate their mass in kilograms if 2.2 lbs = 1 kg?

The SI multiple of 10^-3 is indicated in a unit with the common prefix _________.

Which of the following sets, is a list of the symbols for an element and a compound (in that order)?

A pure substance which can be decomposed into two or more pure substances is called a mixture.

Which of the following is a physical change?

The quantity 10^-9 (one billionth) is designated by the prefix

Which of the following is one of the classes of pure substances?

Living in a World of Chemistry

Atoms and the Periodic Table

The Air We Breathe

Chemical Bonding and States of Matter

Carbon Dioxide and the Greenhouse Effect

Chlorofluorocarbons and the Ozone Layer

Chemical Reactivity: Chemicals in Action

Acid-Base Reactions

Oxidation-Reduction Reactions

Water, Water Everywhere but Not a Drop to Drink

Energy and Hydrocarbons

Nuclear Changes and Nuclear Power

Organic Chemicals and Polymers

The Chemistry of Life

Nutrition: the Basis of Healthy Living

Chemistry and Medicine

The Chemistry of Useful Materials

Feeding the World

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Exam 2: The Chemical View of Matter

Which of the following is a physical property?

Which of the following would convert 15 L of gasoline to gallons? (1.06 qt = 1 L ; 4 qts = 1 gal)

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

Which of the following is not one of the common states of matter?

How many chemical formulas are in this chemical equation? P4(s) + 6 F2(g) →\to→ 4 PF3(g)

How does the known number of nonmetals compare to that of metals?

Which of the following has the highest kinetic energy?

Which of the following sets, is a list of the symbols that could represent the following substances, respectively? lead a compound of equal parts hydrogen and oxygen elemental oxygen

The simplest form of matter is a(n)

In the balanced equation, 2 Al + 6 HCl →\to→ 2 AlCl3 + 3 H2, the sum of the coefficients of the reactants is

The most common unit of volume used in chemistry is the millimeter.

Identify the nonmetal among those listed below.

Mg is the chemical symbol for ____________________.

A person weighs 165 lbs. Which of the following would calculate their mass in kilograms if 2.2 lbs = 1 kg?

The SI multiple of 10-3 is indicated in a unit with the common prefix _________.

Which of the following sets, is a list of the symbols for an element and a compound (in that order)?

A pure substance which can be decomposed into two or more pure substances is called a mixture.

Which of the following is a physical change?

The quantity 10-9 (one billionth) is designated by the prefix

Which of the following is one of the classes of pure substances?

Living in a World of Chemistry

Atoms and the Periodic Table

The Air We Breathe

Chemical Bonding and States of Matter

Carbon Dioxide and the Greenhouse Effect

Chlorofluorocarbons and the Ozone Layer

Chemical Reactivity: Chemicals in Action

Acid-Base Reactions

Oxidation-Reduction Reactions

Water, Water Everywhere but Not a Drop to Drink

Energy and Hydrocarbons

Nuclear Changes and Nuclear Power

Organic Chemicals and Polymers

The Chemistry of Life

Nutrition: the Basis of Healthy Living

Chemistry and Medicine

The Chemistry of Useful Materials

Feeding the World

Filters

How many chemical formulas are in this chemical equation? P₄(s) + 6 F₂(g) $\to$ 4 PF₃(g)

In the balanced equation, 2 Al + 6 HCl $\to$ 2 AlCl₃ + 3 H₂, the sum of the coefficients of the reactants is

The SI multiple of 10^-3 is indicated in a unit with the common prefix _________.

The quantity 10^-9 (one billionth) is designated by the prefix