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| Questão | Responda |
| What is an element? | Is a substance that cannot be broken down into simpler substances by chemical means |
| Give 3 examples of elements that are metals | 1) Carbon 2) Aluminium 3) Copper |
| What is a compound? | A compound is a completely new substance with its own properties |
| What is a mixture | A mixture consists of two or more different substances mingled together but not chemically combined |
| What is a molecule? | A molecule is the smallest part of an element or compound that can exist on its own |
| Define an atom | An atom is the smallest part of an element that still has the properties of that element. |
| Describe elements that make up compounds | The elements that make up compounds are always present in definite amounts. |
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