Part one of term paper
The lightest metal of all the elements is magnesium. It is the most abundant element in the Earth’s crust. Since it is so abundant, the aerospace industry uses it extensively. Magnesium is not a strong element by itself. Alloys have been developed to improve magnesium’s hardness, resistance against corrosion, and its ability to be we ...

Part two of term paper
... Many soils and rocks contain compounds of magnesium in nature. Magnesium hydroxide (milk of magnesia) and magnesium sulfate (Epson salt) are well known. Milk of magnesia is used in medicine as a laxative. Magnesium is also used in artificial limbs, vacuum cleaners, snow skis, wheelbarrows, and lawn mowers. In 975AD calcium was useful for setting broken bones. There have been many uses for calcium over the years, but calcium has not been available on a large scale until the twentieth centur ...