12.What is radioactive dating? a. Using radioactive material to extend the shelf life of food products.

b. The process by which the age of an object is estimated based on the amount of certain radioactive nuclides present.

c. Using radioactive materials to study the body’s processes.

d. When the Hulk asks you to Prom.

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.