Why isn't mass number listed with each element on the periodic table?

Theoretical temperature at which molecules stop moving and no more heat can be removed from the object. kelvin: absolute zero degrees. none of the above.

Ibelieve the answer is d. titaniumhope my answer has you : )

Ibelieve the answer is weathering,hope my answer has you : ) 

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).