Elements, Compounds and Mixtures Quiz

Do you know the difference between an element, a compound and a mixture?

Good Luck!


What is an Element?

Elements consist of atoms of a single type, they must have the same number of protons. An example of an element is hydrogen which has one proton and no neutrons. Hydrogen is the most abundant element in the universe, which, along with the second most abundant element helium, makes up more than 95% of all normal matter.

What is a Compound?

Compounds are chemically bonded groups of different elements, for example, carbon dioxide which contains one atom of carbon and two atoms of oxygen. Compounds are essential for life since they are able to facilitate complex processes to fulfil our needs e.g. photosynthesis and respiration.

What is a Mixture?

Mixtures are also very important since they do not lock away the compounds and elements they contain. The air around us is a compound and it allows us to exchange carbon dioxide and oxygen with our lungs, which in turn drives respiration and gives us energy.

Take a look at the infographics below for a summary of why elements, compounds and mixtures are different, along with some examples of each. Also, try our other quiz on separating mixtures.

What are elements, compounds and mixtures
Examples of elements, compounds and mixtures

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