Which of the following binary ionic compounds has the general formula X 2 Y?

Na 2 O because the sodium cation has a +1 charge and binds to Group 6A nonmetals in a 2:1 ratio

Na 2 O because the sodium cation has a +2 charge and binds to Group 6A nonmetals in a 1:2 ratio

CaCl 2 because the calcium cation has a +2 charge and binds to Group 7A nonmetals in a 2:1 ratio

CaCl 2 because the calcium cation has a +1 charge and binds to Group 7A nonmetals in a 1:2 ratio

When writing the formula for a binary ionic compound containing a transition metal, a chemistry student needs to answer which of the following questions?

What does the Roman numeral represent?

What is the oxidation number of the anion?

What is the atomic number of the metal cation?

In which family does the metal belong?

Which statement correctly explains the number of sodium atoms needed to make sodium sulfide?

2 sodium atoms are needed because each sodium donates one valence electron to sulfur.

1 sodium atom is needed because sodium donates one valence electron to sulfur.

1 sodium atom is needed because sodium accepts one valence electron from sulfur.

2 sodium atoms are needed because each sodium accepts one valence electron from sulfur.

Which question would a chemistry student need to ask to write the formula of a binary ionic compound formed with Group 5A nonmetals?

Will Group 5A nonmetals gain valence electrons to bond with Group 2A metals in an X 3 Y 2 formula?

Will Group 5A nonmetals lose valence electrons to bond with Group 2A metals in an X 3 Y 2 formula?

Will Group 5A nonmetals lose valence electrons to bond with Group 2A metals in an X 2 Y 3 formula?

Will Group 5A nonmetals gain valence electrons to bond with Group 2A metals in an X 2 Y 3 formula?

Why do atoms form chemical bonds?

To achieve a complete octet and lower their overall energy.

To achieve a less stable electron configuration

To increase their overall energy

To prevent the formation of chemical compounds

In naming covalent compounds, when does the first element get a prefix?

When there is more than one atom of the first element present in the compound.

When the first element is a nonmetal.

When there is only one atom of the first element present in the compound.

When the first element is a metal.

Unit 3 Review: Introduction to Chemical Bonding

Authored by Johnthan Gordon

Chemistry

10th Grade

NGSS covered

Used 16+ times

Unit 3 Review: Introduction to Chemical Bonding

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement correctly describes the two materials shown?

The rubber polymer used in rubber bands is a short molecule that creates inflexible materials.

The rubber polymer used in rubber bands is a long molecule that creates flexible materials.

Calcium oxide, also known as lime, is a short molecule so it makes flexible materials.

Calcium oxide, also known as lime, is a long molecule so it makes inflexible materials.

An engineer is creating a new material that will conduct electricity. Which element would the engineer choose? Why?

Sulfur. It is a good insulator

Magnesium. It is a good insulator.

Sulfur. It has contains that have the ability to conduct electricity.

Magnesium. It contains ions that have the ability to conduct electricity.

Which model shown could represent a diatomic molecule of I₂?

Model 1

Model 2

Model 3

None

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which model could represent a compound that is soluble in water, conducts heat and electricity, and has a high melting point?

Model 1

Model 2

Model 3

None

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following questions would a chemistry student need to ask before writing the name of a binary chemical compound?

Are both elements nonmetals?

What is the mass number of each element?

Is one of the elements a metal?

How many valence electrons does the cation have?

What is the correct name and formula for the binary ionic compound formed from Mn⁴⁺ and O^2-?

Mn₂O₄, Manganese oxide

Mn₄O₂, Manganese(IV) oxide

MnO₂, Manganese(IV) dioxide

MnO₂, Manganese(IV) oxide

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct name for the compound with the formula N₂O₅?

nitrogen pentoxide

nitrogen (V) oxide

nitrogen oxide

dinitrogen pentoxide

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Unit 3 Review: Introduction to Chemical Bonding

Which statement correctly describes the two materials shown?

An engineer is creating a new material that will conduct electricity. Which element would the engineer choose? Why?

Which model shown could represent a diatomic molecule of I₂?

Which model could represent a compound that is soluble in water, conducts heat and electricity, and has a high melting point?

Which of the following questions would a chemistry student need to ask before writing the name of a binary chemical compound?

What is the correct name and formula for the binary ionic compound formed from Mn⁴⁺ and O^2-?

What is the correct name for the compound with the formula N₂O₅?

What is the chemical formula of the ionic compound shown?

What type of chemical bonding is shown in the model?

What is the correct name for CuO?

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Discover more resources for Chemistry

Unit 3 Review: Introduction to Chemical Bonding

Which statement correctly describes the two materials shown?

An engineer is creating a new material that will conduct electricity. Which element would the engineer choose? Why?

Which model shown could represent a diatomic molecule of I2?

Which model could represent a compound that is soluble in water, conducts heat and electricity, and has a high melting point?

Which of the following questions would a chemistry student need to ask before writing the name of a binary chemical compound?

What is the correct name and formula for the binary ionic compound formed from Mn4+ and O2-?

What is the correct name for the compound with the formula N2O5?

What is the chemical formula of the ionic compound shown?

What type of chemical bonding is shown in the model?

What is the correct name for CuO?

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Which model shown could represent a diatomic molecule of I₂?

What is the correct name and formula for the binary ionic compound formed from Mn⁴⁺ and O^2-?

What is the correct name for the compound with the formula N₂O₅?