Copy of CP Chemistry - Covalent Bonding & Molecular Polarity (2/26/2025) (3/5/2025)

Last updated 11 months ago

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Which is the correct molecular formula for dinitrogen monoxide?

N2O

NO2

N2O2

O2N

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

4, 4

5, 3

6, 2

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)

hydrogen (H)

iodine (I)

chlorine (Cl)

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 ionic compounds together.

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

Covalent bonds hold the atoms together in individual molecules.

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

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

sulfur heptafluoride

sulfur hexafluoride

sulfur (VI) fluoride

sulfur (6) fluoride

What type of covalent bond is shown here?

extremely polar covalent

nonpolar covalent

ionic

moderately polar covalent

What type of bond forms when atoms share electrons?

Hydrogen bond

Covalent bond

Metallic bond

Ionic bond

What type of molecule has equal sharing of electrons?

Ionic compound

Covalent bond

Polar molecule

Nonpolar molecule

What happens to electrons in a covalent bond?

They form a crystal lattice.

They are shared between atoms.

They are transferred completely.

They are lost to the environment.

What types of bonds are shown?

There is not enough information to determine the answer.

Ionic

Nonpolar covalent

Polar covalent

Which is the correct formula for the compound dinitrogen dioxide?

N2O

NO2

N2O2

(NO)2

Unequal sharing of electrons between two bonded atoms always indicates

an ionic bond

a polar molecule

a nonpolar covalent bond

a polar covalent bond

Which is the correct molecular formula for  dinitrogen monoxide?

N2O

NO2

N2O2

O2N

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

4, 4

5, 3

6, 2

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)

hydrogen (H)

iodine (I)

chlorine (Cl)

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 ionic compounds together.

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

Covalent bonds hold the atoms together in individual molecules.

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

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

sulfur heptafluoride

sulfur hexafluoride

sulfur (VI) fluoride

sulfur (6) fluoride

What type of covalent bond is shown here?

extremely polar covalent

nonpolar covalent

ionic

moderately polar covalent

What type of bond forms when atoms share electrons?

Hydrogen bond

Covalent bond

Metallic bond

Ionic bond

What type of molecule has equal sharing of electrons?

Ionic compound

Covalent bond

Polar molecule

Nonpolar molecule

What happens to electrons in a covalent bond?

They form a crystal lattice.

They are shared between atoms.

They are transferred completely.

They are lost to the environment.

What types of bonds are shown?

There is not enough information to determine the answer.

Ionic

Nonpolar covalent

Polar covalent

Which is the correct formula for the compound dinitrogen dioxide?

N2O

NO2

N2O2

(NO)2

Unequal sharing of electrons between two bonded atoms always indicates

an ionic bond

a polar molecule

a nonpolar covalent bond

a polar covalent bond