What is used to determine the number of each atom in an ionic formula? A. The number of bonds in the formula
B. The period of the metal in the formula
C. The oxidation state of each atom
D. The electronegativity of each atom

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

What happens when an acid dissolves?

How does the motion of particles in a gas change as the gas cools