Question 1

Which of the following is not a mixture?

Accepted Answer

A)   sea shells
B)   ice cream
C)   gasoline
D)   wine
E)   diamond E

Question 2

An electrically charged atom or group of atoms is a(n) ________.

Accepted Answer

A)   element
B)   ion
C)   molecule
D)   heterogeneous mixture
E)   solution B

Question 3

Which of the following terms best describes ammonia, NH3?

Accepted Answer

A)   Homogeneous mixture
B)   Ion
C)   Element
D)   Chemical compound
E)   Atom D

Question 4

What is the correct symbol for potassium?

Accepted Answer

A)   P
B)   Pm
C)   K
D)   Pt
E)   Po

Question 5

What is the correct symbol for silver?

Accepted Answer

A)   S
B)   Si
C)   Ag
D)   Sr
E)   Au

Question 6

Potential energy possessed by water at the top of a waterfall is known as ________ energy.

Accepted Answer

The answer of Potential energy possessed by water at the...

Question 7

Density is an example of a(n) _____ property and does not depend on the amount of a substance.

Accepted Answer

The answer of Density is an example of a(n) _____...

Question 8

What is the name of the element with the symbol B?

Accepted Answer

A)   barium
B)   beryllium
C)   bismuth
D)   boron
E)   bromine

Question 9

What is the name of the element with the symbol Cr?

Accepted Answer

A)   cerium
B)   carbon
C)   chromium
D)   cadmium
E)   chlorine

Question 10

Which of the following is not a correct name-symbol combination? ​

Accepted Answer

A)   magnesium, Mg
B)   nickel, Ni
C)   phosphorus, P
D)   krypton, Kr
E)   potassium, Co

Question 11

Many regulators, environmentalists, and citizens around the world believe that ________ development is required to meet today's economic and environmental needs while preserving the options for future generations to meet theirs.

Accepted Answer

The answer of Many regulators, environmentalists, and citizens around the...

Question 12

An intensive property of a substance is

Accepted Answer

A)   independent of the amount present.
B)   dependent on its volume, but not its mass.
C)   not affected by its temperature.
D)   dependent only on its temperature.
E)   dependent only on its mass and volume.

Question 13

The law of ________ states that the total energy of the universe is constant.

Accepted Answer

The answer of The law of ________ states that the...

Question 14

Which of the following are extensive properties: mass, volume, and/or density?

Accepted Answer

A)   mass only
B)   volume only
C)   density only
D)   mass and volume
E)   volume and density

Question 15

What is the symbol for the element iron?

Accepted Answer

A)   Fe
B)   Kr
C)   Li
D)   S
E)   N

Question 16

Which of the below figures represents a liquid compound?

Accepted Answer

A)   Figure A
B)   Figure B
C)   Figure C
D)   Figure D
E)   Figure E

Question 17

The ________ of a substance is defined as its mass per unit volume.

Accepted Answer

The answer of The ________ of a substance is defined...

Question 18

Which one of the following substances is classified as a molecular element?

Accepted Answer

A)   I2
B)   NO
C)   KCl
D)   C6H12O6
E)   CO

Question 19

All of the following are examples of intensive properties of matter except _____.

Accepted Answer

A)   boiling point
B)   thermal conductivity
C)   malleability
D)   the amount of energy transferred as heat
E)   color

Question 20

Which one of the following statements is not a comparison of physical properties?

Accepted Answer

A)   Mercury and gallium are both liquids at 50 °C.
B)   Oxygen is more soluble in water than helium.
C)   Silver and gold are malleable metals.
D)   Oxygen and nitrogen are both liquids at -200 °C.
E)   Calcium reacts more quickly than iron in acids.

Exam 1: Basic Concepts of Chemistry

Which of the following is not a mixture?

An electrically charged atom or group of atoms is a(n) ________.

Which of the following terms best describes ammonia, NH₃?

What is the correct symbol for potassium?

What is the correct symbol for silver?

Potential energy possessed by water at the top of a waterfall is known as ________ energy.

Density is an example of a(n) _____ property and does not depend on the amount of a substance.

What is the name of the element with the symbol B?

What is the name of the element with the symbol Cr?

Which of the following is not a correct name-symbol combination?

Many regulators, environmentalists, and citizens around the world believe that ________ development is required to meet today's economic and environmental needs while preserving the options for future generations to meet theirs.

An intensive property of a substance is

The law of ________ states that the total energy of the universe is constant.

Which of the following are extensive properties: mass, volume, and/or density?

What is the symbol for the element iron?

Which of the below figures represents a liquid compound?

The ________ of a substance is defined as its mass per unit volume.

Which one of the following substances is classified as a molecular element?

All of the following are examples of intensive properties of matter except _____.

Which one of the following statements is not a comparison of physical properties?

Exam 1: Basic Concepts of Chemistry

Which of the following is not a mixture?

An electrically charged atom or group of atoms is a(n) ________.

Which of the following terms best describes ammonia, NH3?

What is the correct symbol for potassium?

What is the correct symbol for silver?

Potential energy possessed by water at the top of a waterfall is known as ________ energy.

Density is an example of a(n) _____ property and does not depend on the amount of a substance.

What is the name of the element with the symbol B?

What is the name of the element with the symbol Cr?

Which of the following is not a correct name-symbol combination? ​

Many regulators, environmentalists, and citizens around the world believe that ________ development is required to meet today's economic and environmental needs while preserving the options for future generations to meet theirs.

An intensive property of a substance is

The law of ________ states that the total energy of the universe is constant.

Which of the following are extensive properties: mass, volume, and/or density?

What is the symbol for the element iron?

Which of the below figures represents a liquid compound?

The ________ of a substance is defined as its mass per unit volume.

Which one of the following substances is classified as a molecular element?

All of the following are examples of intensive properties of matter except _____.

Which one of the following statements is not a comparison of physical properties?

Which of the following terms best describes ammonia, NH₃?

Which of the following is not a correct name-symbol combination?