[OU.04]The theories on the origin of the universe
cannot change because of new discoveries
may change because of new investigations
will weaken scientific knowledge if they change
will become laws if they do not change

Graded assignment lab report answer the questions below. 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.