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 London CU London CU London is a Higher Education institute owned and governed by Coventry University. CU London began offering courses to students in September 2017 and currently operates in the Dagenham Civic Centre in the London Borough of Barking and Dagenham. It is Coventry University's second campus in the capital alongside Coventry University London. CU London offers a range of subjects across Foundation, HNC, HND and degree level, which students can study full-time or part-time on evenings or weekends. Subjects offered by CU London include: Beyond its work teaching on undergraduate courses, CU London has continued to use its campus,