Determine whether the compound formed from the hypothetical elements A and B is ionic or molecular.

Consider the following elements: tellurium, rubidium, bismuth, astatine, and strontium.

Identify the element that would form both a covalent and an ionic bond. (Note: There could be more than one answer.) Explain.

True or False. A coordinate covalent bond is another term for a covalent bond wherein two atoms share one or more electron pairs.

Determine if these compounds are ionic or molecular.

Ag₂O         PCl₃        CO₂          CaS