A teacher takes a test tube of sodium chloride solution and adds the contents into a solution of silver nitrate. Each solution is a clear liquid. When the two solutions are mixed, a white precipitate forms that looks cloudy. Which of the following occurs as the precipitate is formed? A. A chemical change occurs, and the reactants have different properties than the products.
B. A physical change occurs, and the mass of the products is greater than the mass of the reactants.
C. A chemical change occurs, and the reactants and products have the same properties.
D. A physical change occurs, and number of atoms in the products is greater than the number of atoms in the reactants.