Chemical element chemical bonds, they form chemical compounds. Only a minority of elements are found uncombined as relatively pure minerals. Among the more common of such native elements are copper, silver, gold, carbon (as coal, graphite, or diamonds), and sulfur. All but a few of the most inert elements, such as noble gases and noble metals, are usually found on Earth in chemically combined form, as chemical compounds. While about 32 of the chemical elements occur on Earth in native uncombined forms, most of these occur as mixtures. For example, atmospheric air is primarily a mixture of nitrogen, oxygen, and argon, and
CU Coventry are also offered, designed to help students access higher education without traditional qualifications: CU Coventry CU Coventry is a subsidiary of Coventry University. It has been in operation since its launch in 2012, and was formerly known as Coventry University College. Its campus is located in the city of Coventry, England. It is part of CU, a network of three higher education campuses, comprising CU Coventry, CU London and CU Scarborough, all part of the Coventry University Group. These campuses offer an alternative, flexible approach to higher education to complement the traditional university experience of Coventry University and Coventry University