An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. ... A compound consists of two or more types of elements held together by covalent or ionic bonds. Elements cannot be divided into smaller units without large amounts of energy
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An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. ... A compound consists of two or more types of elements held together by covalent or ionic bonds. Elements cannot be divided into smaller units without large amounts of energy