an element is a material that consists of a sinhle type of atom.each atom type contains the same number of protons.chemical bonds link elements together to form more complex molecules called compounds.a compound consist of two or more types of element held together by covalent or ionic bonds.
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an element is a material that consists of a sinhle type of atom.each atom type contains the same number of protons.chemical bonds link elements together to form more complex molecules called compounds.a compound consist of two or more types of element held together by covalent or ionic bonds.