Exploring Covalent Bonding Concepts

Which of the following best describes a single covalent bond?

• A bond formed by the sharing of two pairs of electrons.

• A bond formed by the sharing of one pair of electrons.

• A bond formed by the sharing of three pairs of electrons.

• A bond formed by the transfer of electrons.

• Single bond

• Double bond

• Triple bond

• Ionic bond

Which of the following molecules is nonpolar due to its symmetrical shape?

In a polar covalent bond, electrons are:

• Shared equally between atoms.

• Transferred completely from one atom to another.

• Shared unequally between atoms.

• Not involved in bonding.

Tags

NGSS.HS-PS1-1

Which of the following factors affects the bond length in covalent bonds?

• The number of protons in the nucleus.

• The number of electrons shared.

• The atomic mass of the atoms involved.

• The temperature of the environment.

Which molecule has the shortest bond length?

Which of the following statements is true about bond strength in covalent bonds?

• Single bonds are stronger than double bonds.

• Double bonds are stronger than triple bonds.

• Triple bonds are stronger than single bonds.

• All covalent bonds have the same strength.

What is the primary reason for the polarity of water molecules?

• The linear shape of the molecule.

• The equal sharing of electrons.

• The difference in electronegativity between hydrogen and oxygen.

• The presence of a double bond.

Which of the following molecules is likely to have the highest bond energy?

Tags

NGSS.HS-PS1-4

Which of the following is a characteristic of a nonpolar covalent bond?

• Electrons are shared unequally.

• Electrons are transferred from one atom to another.

• Electrons are shared equally.

• Electrons are not involved in bonding.