Question 1

By what chemical symbol do we know the element magnesium?

Accepted Answer

A)  Mn 
B)  Ma 
C)  M 
D)  Mg 
A)  Mn 
B)  Ma 
C)  M 
D)  Mg

Question 2

Match the definition with its term
-A procedure that scientists carry out to study phenomenon

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 3

Match the event with its name of the process.
-The pond ices in winter.

Accepted Answer

A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation 
A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation

Question 4

Match the element with its symbol.
-Plutonium

Accepted Answer

A) Po 
B) Pd 
C) Pt 
D) K 
E) Pu
F)Pa
G)P 
A) Po 
B) Pd 
C) Pt 
D) K 
E) Pu
F)Pa
G)P

Question 5

What is the name of the element whose symbol is "Co"?

Accepted Answer

A)  carbon 
B)  chromium 
C)  coal 
D)  cobalt 
A)  carbon 
B)  chromium 
C)  coal 
D)  cobalt

Question 6

Match the substances with their classification.
-Intravenous liquid

Accepted Answer

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

Question 7

Dirt is an example of a(n) ________.

Accepted Answer

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

Question 8

Match the definition with its term
-Gasoline combusting in an engine.

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 9

Match the element with its symbol.
-Polonium

Accepted Answer

A) Po 
B) Pd 
C) Pt 
D) K 
E) Pu
F)Pa
G)P 
A) Po 
B) Pd 
C) Pt 
D) K 
E) Pu
F)Pa
G)P

Question 10

Match the event with its name of the process.
-Margarine is transformed into a liquid while frying an egg.

Accepted Answer

A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation 
A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation

Question 11

Match the definition with its term
-An attempt to explain why a law exists

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 12

Match the substances with their classification.
-Golden nugget

Accepted Answer

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

Question 13

Which of the following is a compound?

Accepted Answer

A)  F₂(g) 
B)  O₂(g) 
C)  Na(s) 
D)  H₂O₂(l) 
A)  F₂(g) 
B)  O₂(g) 
C)  Na(s) 
D)  H₂O₂(l)

Question 14

Which of the following represents a chemical change?

Accepted Answer

A)  sugar dissolving into hot coffee 
B)  ice melting to form liquid water 
C)  water boiling to form steam 
D)  steel turning to rust in salt air 
A)  sugar dissolving into hot coffee 
B)  ice melting to form liquid water 
C)  water boiling to form steam 
D)  steel turning to rust in salt air

Question 15

Match the substances with their classification.
-Brass

Accepted Answer

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

Question 16

The term used to describe the conversion from a liquid state to a gaseous state is ________.

Accepted Answer

A)  melting 
B)  vaporization 
C)  condensation 
D)  sublimation 
A)  melting 
B)  vaporization 
C)  condensation 
D)  sublimation

Question 17

Water is heterogeneous matter because it is made from twice as much hydrogen as oxygen (H₂O).

Accepted Answer

A) True 
 B)False

Question 18

When milk goes "sour," only a physical change has occurred.

Accepted Answer

A) True 
 B)False

Question 19

Match the definition with its term
-The first time a theory is postulated

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 20

What is the correct statement about an atom?

Accepted Answer

A)  It is always pure. 
B)  It is the smallest particle of an element. 
C)  It is the smallest particle of a molecule. 
D)  All atoms have protons, electrons, and neutrons. 
A)  It is always pure. 
B)  It is the smallest particle of an element. 
C)  It is the smallest particle of a molecule. 
D)  All atoms have protons, electrons, and neutrons.

By what chemical symbol do we know the element magnesium?

Match the definition with its term -A procedure that scientists carry out to study phenomenon

Match the event with its name of the process. -The pond ices in winter.

Match the element with its symbol. -Plutonium

What is the name of the element whose symbol is "Co"?

Match the substances with their classification. -Intravenous liquid

Dirt is an example of a(n) ________.

Match the definition with its term -Gasoline combusting in an engine.

Match the element with its symbol. -Polonium

Match the event with its name of the process. -Margarine is transformed into a liquid while frying an egg.

Match the definition with its term -An attempt to explain why a law exists

Match the substances with their classification. -Golden nugget

Which of the following is a compound?

Which of the following represents a chemical change?

Match the substances with their classification. -Brass

The term used to describe the conversion from a liquid state to a gaseous state is ________.

Water is heterogeneous matter because it is made from twice as much hydrogen as oxygen (H₂O).

When milk goes "sour," only a physical change has occurred.

Match the definition with its term -The first time a theory is postulated

What is the correct statement about an atom?

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 1: What Is Chemistry

By what chemical symbol do we know the element magnesium?

Match the definition with its term -A procedure that scientists carry out to study phenomenon

Match the event with its name of the process. -The pond ices in winter.

Match the element with its symbol. -Plutonium

What is the name of the element whose symbol is "Co"?

Match the substances with their classification. -Intravenous liquid

Dirt is an example of a(n) ________.

Match the definition with its term -Gasoline combusting in an engine.

Match the element with its symbol. -Polonium

Match the event with its name of the process. -Margarine is transformed into a liquid while frying an egg.

Match the definition with its term -An attempt to explain why a law exists

Match the substances with their classification. -Golden nugget

Which of the following is a compound?

Which of the following represents a chemical change?

Match the substances with their classification. -Brass

The term used to describe the conversion from a liquid state to a gaseous state is ________.

Water is heterogeneous matter because it is made from twice as much hydrogen as oxygen (H₂O).

When milk goes "sour," only a physical change has occurred.

Match the definition with its term -The first time a theory is postulated

What is the correct statement about an atom?

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters