Look at the following chemical equation.
AgI + Na2S → Ag2S + 2NaI
What is true about this chemical equation?
A.
It is balanced because the number of reactants is equal to the number of products.
B.
It is unbalanced because the number of reactants is greater than the number of products.
C.
It is unbalanced because the reactants contain fewer silver (Ag) atoms than the products.
D.
It is balanced because the reactants contain the same number of sulfur (S) atoms as the products.