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9 Reactivity
Patterns of reactivity keywords
| Question | Answer |
|---|---|
| When a substance reacts with oxygen to form an oxide. | oxidised |
| A substance that reacts with many other substances, or reacts very easily. | reactive |
| A substance that reacts with few other substances, or reacts very slowly or not at all. | unreactive |
| When something (such as stone or metal) reacts with chemicals in the air or water and gets worn away. | corrode |
| A compound formed when something reacts with oxygen. | oxide |
| A list of metals which shows them in order of their reactivity, with the most reactive at the top. | Reactivity Series |
| Compounds containing sulfur and oxygen. | sulfates |
| A compound made when acids react with metals or bases. | salt |
| Forces holding particles together. | bonds |
| When one element takes the place of another in a compound – a type of substitution. | displace |
| A reaction where one element takes the place of another in a compound. | displacement reaction |
| A process where electricity is used to split compounds apart, normally to produce an element. | electrolysis |
| Something used to describe how a material behaves and what it is like. Hardness is a property of some solids. | properties |