Cobalt

Is A Quarter Magnetic

Which coins are magnetic? The 1943 steel cent is the only regular-issue United States coin that contains enough iron to … More

What Are 3 Uses For Minerals

What are the five uses of minerals? Five uses of minerals are:. Minerals like iron are used for constructing purpose.Minerals … More

Why Is China Blue And White

Where does blue-and-white China come from? This development was due to the combination of Chinese techniques and Islamic trade. The … More

Why Is A Material Brittle

What makes a material brittle or ductile? Typically brittle materials have a fracture strain less than 0.05 (∊f < 0.05) ... More