Covalent Bonding

Multiple Choice

Which of the following best describes what happens during ionic bonding?

• Electrons are transferred from a metal to a nonmetal.

• Electrons are shared between two nonmetals.

• Electrons are transferred from a nonmetal to a metal.

• Electrons are shared between a metal and a nonmetal.

Multiple Choice

Which of the following statements best describes why nonmetals form covalent bonds?

• Because they want to gain electrons and cannot both do so, so they share electrons instead.

• Because they want to lose electrons and cannot both do so, so they share electrons instead.

• Because they want to remain neutral and do not interact with other atoms.

• Because they want to form ionic bonds with metals.

Multiple Select

Which of the following are properties of molecular compounds with covalent bonds?

• Low melting points

• Do not conduct electricity

• Easily dissolve in water

• Create partial charges

Multiple Select

Select all compounds that are classified as covalent from the following list: CH4, H2S, NH3, Fe2CO3.

• CH4

• H2S

• NH3

• Fe2CO3

Open Ended

Explain how you can determine whether a compound is ionic, covalent, or both based on its chemical formula.

Multiple Choice

Which of the following compounds contains both ionic and covalent bonds?

• NaCl

• CH4

• LiOH

• K2O