A pure substance is made from only one compound ... The compound of carbon dioxide is made up of two types of atom, shown here as one red and one black circle. Carbon is shown as black and oxygen ...

Both ‘Fe’ and ‘S’ can be found on the periodic table. Compounds are made from two or more elements that are chemically bonded together. Compounds are a second type of pure substance. Compounds always ...

an element contains just one type of atom a compound contains two or more types of atom joined together a mixture contains two or more different substances that are not joined together the ...