Learn about elements, compounds and mixtures in this KS3 Chemistry guide from BBC Bitesize.

Elements have two faces, Gray notes: as pure materials and in compounds. In this book he shows both, starting with a full-page image of an element’s pure form. Many appear as silvery bits or ...

Characteristics of Elements. Consists of only one type of atom.; Cannot be broken down into simpler substances by chemical means. Each element has unique physical and chemical properties.