individual Here are four sketches of pure substances. Each sketch is drawn as if a sample of the
substance were under a microscope so powerful that could be seén. atoms Decide whether
each sketch shows a sample of an element, a compound, or a mixture O element O compound
Solution
Substance X is a Mixture. Because it contains both blue dumbells and red-blue dumbells. Single
coloured dumbell represents pure element . Red-blue dumbell represents compound.
Substance Y is a Compound. Because it contains only blue-red dumbells.
Substance Z is an Element. Because it contains only blue dumbells
Substance T is a Mixture. Because it contains both red-blue dumbells and red dumbells