ELEMENTS, COMPOUNDS AND MIXESOnline version ELEMENTS, COMPOUNDS AND MIXES by María Cristina Romo Landázuri 1 ELEMENTS ELEMENTSAn element is a pure substance which can not be split up into two or more simpler substances by chemical means. 2 COMPOUNDS COMPOUNDSA compound is a substance that contains atoms of two or more different elements, and these atoms are chemically joined together. For example, water is a compound of hydrogen and oxygen. 3 MIXTURES MIXTURESA mixture is made from different substances that are not chemically joined. 4 ELEMENTS, COMPOUNDS AND MIXTURES 5 ELEMENTS, COMPOUNDS AND MIXTURES