Question 1

Soda pop is a mixture of at least three substances. What are they?

Accepted Answer

A) Carbon monoxide, water, and sugar 
B) Oxygen gas, water, and carbon dioxide 
C) Carbon dioxide, ice, and sugar 
D) Carbon dioxide, water, and sugar 
A) Carbon monoxide, water, and sugar 
B) Oxygen gas, water, and carbon dioxide 
C) Carbon dioxide, ice, and sugar 
D) Carbon dioxide, water, and sugar

Question 2

What Latin word is the root of the atomic symbol, Au, for gold?

Accepted Answer

A) Natrium 
B) Aurgentium 
C) Argentum 
D) Aurum 
A) Natrium 
B) Aurgentium 
C) Argentum 
D) Aurum

Question 3

The elemental symbol Cl is used to represent what element?

Accepted Answer

The answer of The elemental symbol Cl is used to...

Question 4

What is eka-aluminum now known as?

Accepted Answer

A) Gallium 
B) Silicon 
C) Boron 
D) Indium 
A) Gallium 
B) Silicon 
C) Boron 
D) Indium

Question 5

Sodium sulfate is sometimes used in washing detergent as a filler. How many of each atom are in sodium sulfate, Na2SO4?

Accepted Answer

A) 2 sodium, 2 sulfur, and 4 oxygen atoms 
B) 1 sodium, 1 sulfur, and 4 oxygen atoms 
C) 2 sodium, 1 sulfur atom, and 2 oxygen molecules 
D) 2 sodium, 1 sulfur, and 4 oxygen atoms 
A) 2 sodium, 2 sulfur, and 4 oxygen atoms 
B) 1 sodium, 1 sulfur, and 4 oxygen atoms 
C) 2 sodium, 1 sulfur atom, and 2 oxygen molecules 
D) 2 sodium, 1 sulfur, and 4 oxygen atoms

Question 6

Endocrine disruptors behave like what chemical?

Accepted Answer

The answer of Endocrine disruptors behave like what chemical?...

Question 7

Ru is the element symbol for which element?

Accepted Answer

A) Rhodium 
B) Rubidium 
C) Rhenium 
D) Ruthenium 
A) Rhodium 
B) Rubidium 
C) Rhenium 
D) Ruthenium

Question 8

Pure substances:

Accepted Answer

A) have a uniform composition and cannot be separated by physical methods. 
B) are always elements. 
C) are solids in most cases. 
D) have a uniform composition that can be separated by physical methods. 
A) have a uniform composition and cannot be separated by physical methods. 
B) are always elements. 
C) are solids in most cases. 
D) have a uniform composition that can be separated by physical methods.

Question 9

Why are different materials separated by chromatography?

Accepted Answer

A) Each material has a slightly different color than the others in the mixture. 
B) Each material moves at a slightly different speed from others in the mixture. 
C) Each material is a different compound in the mixture. 
D) Each material moves at a similar speed to others in the mixture. 
A) Each material has a slightly different color than the others in the mixture. 
B) Each material moves at a slightly different speed from others in the mixture. 
C) Each material is a different compound in the mixture. 
D) Each material moves at a similar speed to others in the mixture.

Question 10

How do isotopes of an element differ?

Accepted Answer

A) In number of electrons 
B) In number of protons 
C) In number of neutrons 
D) All of the above 
A) In number of electrons 
B) In number of protons 
C) In number of neutrons 
D) All of the above

Question 11

Which of the following elements are non-metals? Chromium, fluorine, oxygen, chlorine, francium, and/or copper?

Accepted Answer

Fluorine,

Question 12

Which of the following states of matter is generally considered the most ordered?

Accepted Answer

A) Gas 
B) Liquid 
C) Solid 
D) Both solid and gas 
A) Gas 
B) Liquid 
C) Solid 
D) Both solid and gas

Question 13

What common trait do the elements that are classed as metalloids all share?

Accepted Answer

A) They are all gases at room temperature. 
B) They all conduct electricity extremely well. 
C) They are all located on the left-hand side of the periodic table. 
D) They all have properties between the extremes of the metals and the non-metals. 
A) They are all gases at room temperature. 
B) They all conduct electricity extremely well. 
C) They are all located on the left-hand side of the periodic table. 
D) They all have properties between the extremes of the metals and the non-metals.

Question 14

What is the formula for magnesium sulfate, which has 1 atom of magnesium, 1 of sulfur, and 4 of oxygen?

Accepted Answer

A) MgSO4 
B) Mg2S2O4 
C) Mg4SO 
D) MgS4O 
A) MgSO4 
B) Mg2S2O4 
C) Mg4SO 
D) MgS4O

Question 15

Which of the following elements are metals?

Accepted Answer

A) iron, lead, calcium 
B) iron, lead, chlorine 
C) iodine, lead, calcium 
D) iron, phosphorus, calcium 
A) iron, lead, calcium 
B) iron, lead, chlorine 
C) iodine, lead, calcium 
D) iron, phosphorus, calcium

Question 16

What metallic element is a liquid at room temperature?

Accepted Answer

A) Mercury 
B) Gallium 
C) Zinc 
D) There are no metallic elements that are a liquid at room temperature. 
A) Mercury 
B) Gallium 
C) Zinc 
D) There are no metallic elements that are a liquid at room temperature.

Question 17

Consider the air we breathe. What is it composed of?

Accepted Answer

A) A heterogeneous mixture of nitrogen, oxygen, and argon, in decreasing order 
B) A homogeneous mixture of nitrogen, oxygen, and argon, in decreasing order 
C) A heterogeneous mixture of oxygen, nitrogen, and argon, in decreasing order 
D) A homogeneous mixture of oxygen, nitrogen, and argon, in decreasing order 
A) A heterogeneous mixture of nitrogen, oxygen, and argon, in decreasing order 
B) A homogeneous mixture of nitrogen, oxygen, and argon, in decreasing order 
C) A heterogeneous mixture of oxygen, nitrogen, and argon, in decreasing order 
D) A homogeneous mixture of oxygen, nitrogen, and argon, in decreasing order

Question 18

What element is designated with the atomic symbol B?

Accepted Answer

The answer of What element is designated with the atomic...

Question 19

What two-letter symbol corresponds to the element gallium?

Accepted Answer

The answer of What two-letter symbol corresponds to the element...

Question 20

Lead is represented by what atomic symbol?

Accepted Answer

A) Rb 
B) Tb 
C) Pb 
D) Lb 
A) Rb 
B) Tb 
C) Pb 
D) Lb

Soda pop is a mixture of at least three substances. What are they?

What Latin word is the root of the atomic symbol, Au, for gold?

The elemental symbol Cl is used to represent what element?

What is eka-aluminum now known as?

Sodium sulfate is sometimes used in washing detergent as a filler. How many of each atom are in sodium sulfate, Na₂SO₄?

Endocrine disruptors behave like what chemical?

Ru is the element symbol for which element?

Pure substances:

Why are different materials separated by chromatography?

How do isotopes of an element differ?

Which of the following elements are non-metals? Chromium, fluorine, oxygen, chlorine, francium, and/or copper?

Which of the following states of matter is generally considered the most ordered?

What common trait do the elements that are classed as metalloids all share?

What is the formula for magnesium sulfate, which has 1 atom of magnesium, 1 of sulfur, and 4 of oxygen?

Which of the following elements are metals?

What metallic element is a liquid at room temperature?

Consider the air we breathe. What is it composed of?

What element is designated with the atomic symbol B?

What two-letter symbol corresponds to the element gallium?

Lead is represented by what atomic symbol?

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

Exam 1: Understanding Our World With Chemistry

Soda pop is a mixture of at least three substances. What are they?

What Latin word is the root of the atomic symbol, Au, for gold?

The elemental symbol Cl is used to represent what element?

What is eka-aluminum now known as?

Sodium sulfate is sometimes used in washing detergent as a filler. How many of each atom are in sodium sulfate, Na2SO4?

Endocrine disruptors behave like what chemical?

Ru is the element symbol for which element?

Pure substances:

Why are different materials separated by chromatography?

How do isotopes of an element differ?

Which of the following elements are non-metals? Chromium, fluorine, oxygen, chlorine, francium, and/or copper?

Which of the following states of matter is generally considered the most ordered?

What common trait do the elements that are classed as metalloids all share?

What is the formula for magnesium sulfate, which has 1 atom of magnesium, 1 of sulfur, and 4 of oxygen?

Which of the following elements are metals?

What metallic element is a liquid at room temperature?

Consider the air we breathe. What is it composed of?

What element is designated with the atomic symbol B?

What two-letter symbol corresponds to the element gallium?

Lead is represented by what atomic symbol?

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

Sodium sulfate is sometimes used in washing detergent as a filler. How many of each atom are in sodium sulfate, Na₂SO₄?