Copy of Honor's Chemistry - Covalent Bonding & Molecular Polarity (3/7/2025)

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11 questions

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Which is the correct molecular formula for dinitrogen monoxide?

O2N

N2O2

NO2

N2O

How many valence electrons does Nitrogen have, and how many covalent bonds does it form?

6, 2

5, 3

4, 4

Polar covalent bonds tend to form between two atoms with what characteristics? (Choose the best answer)

Different elements and electronegativities

The same element and electronegativity

The same element with different electronegativity

Different elements with similar electronegativity

Which of the following covalent bonds would be most polar: C-Cl, C-F, Cl-F, F-F? Use the locations of these elements on the Periodic Table of Elements to support your answer.

If you want to change the polarity of HBr (Hydrogen bromide) by substituting bromine with a different atom. Which atom would increase the polarity of the molecule?

sulfur (S)

iodine (I)

hydrogen (H)

chlorine (Cl)

Which of the following chemical substances has a triple covalent bond?

CO (carbon monoxide)

CO2 (carbon dioxide)

H2O (dihydrogen monoxide or water)

O2 (oxygen)

Which of the following statements about covalent bonds are true? Select all that apply.

Covalent bonds are comprised of metal atoms that share at least some of their valence electrons.

Covalent bonds form when atoms of nonmetals are close enough to each other for their orbitals to overlap.

Covalent bonds hold the atoms together in discrete molecules.

Covalent bonds hold ionic compounds together.

Covalent bonds can be single, double, or triple bonds.

Chemistry students are learning about Lewis structures. Their instructor asks them to draw Lewis structures for carbon dioxide using both electron dots and bonds to show bonding relationships.
Which of the following Lewis structures are correct? Select all that apply.

I

II

III

IV

What is the name of the chemical with the formula SF6?

sulfur heptafluoride

sulfur (6) fluoride

sulfur hexafluoride

sulfur (VI) fluoride

What type of covalent bond is shown here?

nonpolar covalent

extremely polar covalent

ionic

moderately polar covalent

Name this molecule

Which is the correct molecular formula for  dinitrogen monoxide?

O2N

N2O2

NO2

N2O

How many valence electrons does Nitrogen have, and how many covalent bonds does it form?

6, 2

5, 3

4, 4

Polar covalent bonds tend to form between two atoms with what characteristics? (Choose the best answer)

Different elements and electronegativities

The same element and electronegativity

The same element with different electronegativity

Different elements with similar electronegativity

If you want to change the polarity of HBr (Hydrogen bromide) by substituting bromine with a different atom. Which atom would increase the polarity of the molecule?

sulfur (S)

iodine (I)

hydrogen (H)

chlorine (Cl)

Which of the following chemical substances has a triple covalent bond?

CO (carbon monoxide)

CO2 (carbon dioxide)

H2O (dihydrogen monoxide or water)

O2 (oxygen)

Which of the following statements about covalent bonds are true? Select all that apply.

Covalent bonds are comprised of metal atoms that share at least some of their valence electrons.

Covalent bonds form when atoms of nonmetals are close enough to each other for their orbitals to overlap.

Covalent bonds hold the atoms together in discrete molecules.

Covalent bonds hold ionic compounds together.

Covalent bonds can be single, double, or triple bonds.

Chemistry students are learning about Lewis structures. Their instructor asks them to draw Lewis structures for carbon dioxide using both electron dots and bonds to show bonding relationships.
Which of the following Lewis structures are correct? Select all that apply.

I

II

III

IV

What is the name of the chemical with the formula SF6?

sulfur heptafluoride

sulfur (6) fluoride

sulfur hexafluoride

sulfur (VI) fluoride

What type of covalent bond is shown here?

nonpolar covalent

extremely polar covalent

ionic

moderately polar covalent

Copy of Honor's Chemistry - Covalent Bonding & Molecular Polarity (3/7/2025)

Copy of Honor's Chemistry - Covalent Bonding & Molecular Polarity (3/7/2025)

Which of the following covalent bonds would be most polar: C-Cl, C-F, Cl-F, F-F? Use the locations of these elements on the Periodic Table of Elements to support your answer.

Name this molecule

Which is the correct molecular formula for dinitrogen monoxide?

How many valence electrons does Nitrogen have, and how many covalent bonds does it form?

Polar covalent bonds tend to form between two atoms with what characteristics? (Choose the best answer)

Which of the following covalent bonds would be most polar: C-Cl, C-F, Cl-F, F-F? Use the locations of these elements on the Periodic Table of Elements to support your answer.

If you want to change the polarity of HBr (Hydrogen bromide) by substituting bromine with a different atom. Which atom would increase the polarity of the molecule?

Which of the following chemical substances has a triple covalent bond?

Which of the following statements about covalent bonds are true? Select all that apply.

Chemistry students are learning about Lewis structures. Their instructor asks them to draw Lewis structures for carbon dioxide using both electron dots and bonds to show bonding relationships.Which of the following Lewis structures are correct? Select all that apply.

What is the name of the chemical with the formula SF6?

What type of covalent bond is shown here?

Name this molecule

Chemistry students are learning about Lewis structures. Their instructor asks them to draw Lewis structures for carbon dioxide using both electron dots and bonds to show bonding relationships.
Which of the following Lewis structures are correct? Select all that apply.