Consider the following particulate-level representation of a chemical equation: 8 Assume that all spheres represent atoms of A. Which of the following is a correctly balanced equation for this reaction? O a. A 2A O b. A 2-2A O c. 2A 2A Od.AA+A O e. A(s)→ A(g)

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".