Magnesium is a silvery-white chemical element with the symbol Mg and atomic number 12. Magnesium alloys contain magnesium as the chief metal along with alloy elements such as lead, aluminum, zinc, and ...

Magnesium makes up 2 percent of the Earth's crust, but you won't see this silvery, light metal in nature. This versatile element occurs naturally only in combination with other elements, such as ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...