CP Chemistry - Covalent Bonding & Molecular Polarity (2/26/2025)

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Which is the correct molecular formula for dinitrogen monoxide?

N2O2

NO2

O2N

N2O

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

5, 3

4, 4

6, 2

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

Different elements with similar electronegativity

The same element and electronegativity

The same element with different electronegativity

Different elements and electronegativities

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)

chlorine (Cl)

hydrogen (H)

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

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

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 (VI) fluoride

sulfur hexafluoride

What type of covalent bond is shown here?

ionic

moderately polar covalent

extremely polar covalent

nonpolar covalent

What type of bond forms when atoms share electrons?

Covalent bond

Ionic bond

Hydrogen bond

Metallic bond

What type of molecule has equal sharing of electrons?

Covalent bond

Polar molecule

Nonpolar molecule

Ionic compound

What happens to electrons in a covalent bond?

They are shared between atoms.

They are lost to the environment.

They are transferred completely.

They form a crystal lattice.

Which is the correct molecular formula for  dinitrogen monoxide?

N2O2

NO2

O2N

N2O

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

5, 3

4, 4

6, 2

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

Different elements with similar electronegativity

The same element and electronegativity

The same element with different electronegativity

Different elements and electronegativities

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)

chlorine (Cl)

hydrogen (H)

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

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

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 (VI) fluoride

sulfur hexafluoride

What type of covalent bond is shown here?

ionic

moderately polar covalent

extremely polar covalent

nonpolar covalent

What type of bond forms when atoms share electrons?

Covalent bond

Ionic bond

Hydrogen bond

Metallic bond

What type of molecule has equal sharing of electrons?

Covalent bond

Polar molecule

Nonpolar molecule

Ionic compound

What happens to electrons in a covalent bond?

They are shared between atoms.

They are lost to the environment.

They are transferred completely.

They form a crystal lattice.

CP Chemistry - Covalent Bonding & Molecular Polarity (2/26/2025)

CP Chemistry - Covalent Bonding & Molecular Polarity (2/26/2025)

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)

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 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?

What type of bond forms when atoms share electrons?

What type of molecule has equal sharing of electrons?

What happens to electrons in a covalent bond?

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.