Beryllium Metal Reacts with Chlorine Gas to Produce Beryllium Chloride

Multiple Choice

Beryllium metal reacts with chlorine gas to produce beryllium chloride (BeCl₂) . Given the following diagram of available beryllium atoms and chlorine molecules in a reaction flask, identify the excess reagent and how many atoms/molecules of reactant remain at the end of the reaction.

A) Excess reagent: chlorine; Molecules remaining: one
B) Excess reagent: beryllium; Atoms remaining: one
C) Excess reagent: chlorine; Molecules remaining: two
D) Excess reagent: beryllium; Atoms remaining: two
E) There is no excess reagent in this reaction.