Question 1

The following formula is incorrect: 5N3O12H8C.What is the correct way to write this formula?

Accepted Answer

A) C8H12NNNNNOOO 
B) N5O3C8H12 
C) 8C12H5N3O 
D) C8H12N5O3 
A) C8H12NNNNNOOO 
B) N5O3C8H12 
C) 8C12H5N3O 
D) C8H12N5O3 D

Question 2

Chromium can be classified as a

Accepted Answer

A) metal. 
B) metalloid. 
C) nonmetal. 
D) gas. 
A) metal. 
B) metalloid. 
C) nonmetal. 
D) gas. A

Question 3

Why does the U.S.ship its used electronics oversees?

Accepted Answer

A) Many other countries have more lax environmental regulations, and labor is cheaper. 
B) There is nowhere to store them in the U.S. 
C) U)S.laws require this. 
D) Electronics have to be shipped back to the country in which they were produced.The U.S.produces very few of its own electronics. 
A) Many other countries have more lax environmental regulations, and labor is cheaper. 
B) There is nowhere to store them in the U.S. 
C) U)S.laws require this. 
D) Electronics have to be shipped back to the country in which they were produced.The U.S.produces very few of its own electronics. A

Question 4

Which of the following retains its shape if it is transferred from one container to another?

Accepted Answer

A) chlorine gas 
B) sodium metal 
C) neon gas 
D) liquid ammonia 
A) chlorine gas 
B) sodium metal 
C) neon gas 
D) liquid ammonia

Question 5

Which of the following is classified as a compound?

Accepted Answer

A) He 
B) CO2  
C) Au 
D) O2 
A) He 
B) CO2  
C) Au 
D) O2

Question 6

Elements with (in)the same ___________ tend to share similar properties.

Accepted Answer

A) group 
B) period 
C) row 
D) color 
A) group 
B) period 
C) row 
D) color

Question 7

Soils that are reddish in color tend to be high in what element?

Accepted Answer

A) calcium 
B) sodium 
C) chlorine 
D) iron 
A) calcium 
B) sodium 
C) chlorine 
D) iron

Question 8

Choose the heterogeneous mixture from the list below.

Accepted Answer

A) hot black coffee 
B) vanilla ice cream 
C) lasagna 
D) a brass ring 
A) hot black coffee 
B) vanilla ice cream 
C) lasagna 
D) a brass ring

Question 9

An aerosol is

Accepted Answer

A) a pure substance. 
B) a compound. 
C) a mixture. 
D) another state of matter. 
A) a pure substance. 
B) a compound. 
C) a mixture. 
D) another state of matter.

Question 10

Which of the following could be classified as a homogeneous mixture?

Accepted Answer

A) a glass of Coca-Cola (the substance in the glass, not the glass itself) 
B) chunky salsa 
C) a pat of butter 
D) a spoonful of mint chocolate chip ice cream 
A) a glass of Coca-Cola (the substance in the glass, not the glass itself) 
B) chunky salsa 
C) a pat of butter 
D) a spoonful of mint chocolate chip ice cream

Question 11

In which phase of matter are the atoms or molecules the furthest from each other?

Accepted Answer

A) the liquid phase 
B) the solid phase 
C) the gas phase 
D) They are equidistant in each phase. 
A) the liquid phase 
B) the solid phase 
C) the gas phase 
D) They are equidistant in each phase.

Question 12

As can be classified as a

Accepted Answer

A) metal. 
B) metalloid. 
C) nonmetal. 
D) gas. 
A) metal. 
B) metalloid. 
C) nonmetal. 
D) gas.

Question 13

Identify which of the following elements is an alkali metal.

Accepted Answer

A) Cs 
B) Zn 
C) Sr 
D) Mg 
A) Cs 
B) Zn 
C) Sr 
D) Mg

Question 14

The element symbols in a chemical formula are often arranged in what order?

Accepted Answer

A) with the most prevalent element first 
B) with the heaviest element last 
C) alphabetically 
D) from left to right, according to the periodic table 
A) with the most prevalent element first 
B) with the heaviest element last 
C) alphabetically 
D) from left to right, according to the periodic table

Question 15

When a substance goes from the gas phase to the liquid phase, this process is known as

Accepted Answer

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

Question 16

Shown here is the structure for Vitamin C.What is its chemical formula?

Accepted Answer

A) 6C8H6O 
B) C-6, H-8, 6-O 
C) C6H8O6 
D) C4O4H3C2H4O2 
A) 6C8H6O 
B) C-6, H-8, 6-O 
C) C6H8O6 
D) C4O4H3C2H4O2

Question 17

Gold makes up a very small percentage (0.0000004%)of the Earth's crust.Why, if gold has been mined for centuries, is 40% of the gold still present in the crust?

Accepted Answer

A) Only in recent years have humans been able to successfully extract gold from the crust.Previously, only gold blends were removed from the crust. 
B) The Earth's crust has a very large mass.A lot of gold has been removed, but a lot remains. 
C) Gold is easily recycled, so very little gold is mined each year. 
D) It is too expensive to mine gold. 
A) Only in recent years have humans been able to successfully extract gold from the crust.Previously, only gold blends were removed from the crust. 
B) The Earth's crust has a very large mass.A lot of gold has been removed, but a lot remains. 
C) Gold is easily recycled, so very little gold is mined each year. 
D) It is too expensive to mine gold.

Question 18

Why is the disposal method used for the plastic components of electronics hazardous?

Accepted Answer

A) The plastic components are melted, releasing toxic fumes. 
B) The plastics melt in the sun and decompose into small pieces that harm birds. 
C) The monomers used in plastics manufacturing are retrieved from the plastic, but these are more toxic than the polymers used to create the plastics. 
D) The plastic components are added to large holding ponds.Many of the plastics leach out into the local water supply. 
A) The plastic components are melted, releasing toxic fumes. 
B) The plastics melt in the sun and decompose into small pieces that harm birds. 
C) The monomers used in plastics manufacturing are retrieved from the plastic, but these are more toxic than the polymers used to create the plastics. 
D) The plastic components are added to large holding ponds.Many of the plastics leach out into the local water supply.

Question 19

Which of the following is classified as an element?

Accepted Answer

A) CH4 
B) H2O 
C) F2 
D) NH3 
A) CH4 
B) H2O 
C) F2 
D) NH3

Question 20

Why is gold mining largely unnecessary?

Accepted Answer

A) Gold prices have been in a steady decline for the last 100 years.It is cheaper to buy used gold. 
B) Tons of gold are already in circulation around the world.It is not necessary to mine new gold. 
C) Gold is easy to find by panning rivers and other waterways. 
D) Gold can be extracted from the top of the earth's crust with much less environmental impact that traditional mining methods. 
A) Gold prices have been in a steady decline for the last 100 years.It is cheaper to buy used gold. 
B) Tons of gold are already in circulation around the world.It is not necessary to mine new gold. 
C) Gold is easy to find by panning rivers and other waterways. 
D) Gold can be extracted from the top of the earth's crust with much less environmental impact that traditional mining methods.

The following formula is incorrect: 5N3O12H8C.What is the correct way to write this formula?

Chromium can be classified as a

Why does the U.S.ship its used electronics oversees?

Which of the following retains its shape if it is transferred from one container to another?

Which of the following is classified as a compound?

Elements with (in)the same ___________ tend to share similar properties.

Soils that are reddish in color tend to be high in what element?

Choose the heterogeneous mixture from the list below.

An aerosol is

Which of the following could be classified as a homogeneous mixture?

In which phase of matter are the atoms or molecules the furthest from each other?

As can be classified as a

Identify which of the following elements is an alkali metal.

The element symbols in a chemical formula are often arranged in what order?

When a substance goes from the gas phase to the liquid phase, this process is known as

Shown here is the structure for Vitamin C.What is its chemical formula?

Gold makes up a very small percentage (0.0000004%)of the Earth's crust.Why, if gold has been mined for centuries, is 40% of the gold still present in the crust?

Why is the disposal method used for the plastic components of electronics hazardous?

Which of the following is classified as an element?

Why is gold mining largely unnecessary?

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Atoms All About Atoms and Whats Inside Them

Bonds an Introduction to the Forces Within Substances

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

Filters

Exam 3: Everything the Ways We Organize and Classify Matter

The following formula is incorrect: 5N3O12H8C.What is the correct way to write this formula?

Chromium can be classified as a

Why does the U.S.ship its used electronics oversees?

Which of the following retains its shape if it is transferred from one container to another?

Which of the following is classified as a compound?

Elements with (in)the same ___________ tend to share similar properties.

Soils that are reddish in color tend to be high in what element?

Choose the heterogeneous mixture from the list below.

An aerosol is

Which of the following could be classified as a homogeneous mixture?

In which phase of matter are the atoms or molecules the furthest from each other?

As can be classified as a

Identify which of the following elements is an alkali metal.

The element symbols in a chemical formula are often arranged in what order?

When a substance goes from the gas phase to the liquid phase, this process is known as

Shown here is the structure for Vitamin C.What is its chemical formula?

Gold makes up a very small percentage (0.0000004%)of the Earth's crust.Why, if gold has been mined for centuries, is 40% of the gold still present in the crust?

Why is the disposal method used for the plastic components of electronics hazardous?

Which of the following is classified as an element?

Why is gold mining largely unnecessary?

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Atoms All About Atoms and Whats Inside Them

Bonds an Introduction to the Forces Within Substances

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

Filters