Chemical Bonding Quiz

Why do atoms form bonds?

• To decrease their atomic mass

• To achieve a stable electron configuration

• To become radioactive

• To increase their atomic number

What is a covalent bond?

• A bond formed by the transfer of neutrons

• A bond formed by the transfer of electrons

• A bond formed by the sharing of electron pairs

• A bond formed by the sharing of protons

Which of the following is an example of an allotrope of carbon?

• Water

• Graphite

• Oxygen

• Sodium chloride

What determines whether a covalent bond is polar or nonpolar?

• The size of the atoms

• The number of protons in the atoms

• The electronegativity difference between the atoms

• The atomic mass of the atoms

Which of the following substances is likely to have a polar covalent bond?

• Dioxygen

• Hydrochloric acid

• Dinitrogen

• Dihydrogen

What is the main characteristic of ionic bonds?

• They involve the sharing of electron pairs

• They involve the transfer of electrons

• They involve the sharing of protons

• They involve the transfer of neutrons

In the formation of sodium chloride, what happens to the sodium atom?

• It gains an electron

• It loses an electron

• It gains a proton

• It loses a neutron

What factor increases the likelihood of ionic bonding?

• Smaller atomic radius

• Larger atomic radius

• Higher atomic mass

• Lower atomic number

What is a key feature of metallic bonds?

• They involve the transfer of electrons

• They involve the transfer of neutrons

• They involve the sharing of protons

• They involve a sea of electrons

Which type of bond is typically found in metals?

• Hydrogen bonds

• Covalent bonds

• Metallic bonds

• Ionic bonds