Asubstance that is made up of only one kind of atom is a(an) a. compound. b. homogeneous mixture. c. element. d. solution.

When the water vapor cools it condenses select a number that represents his process on the

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium