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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Reactivity series |
Potassium, sodium, lithium, calcium, magnesium, aluminium, carbon, zinc, iron, hydrogen, copper, silver, gold |
Some are non-metals |
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Is GOLD more reactive than POTASSIUM |
NO GOLD IS SMALLER |
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All substances are made up of what |
Atoms |
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How many atoms does one element contain |
ONLY ONE |
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Atoms have what in the center |
Tiny nucleus surrounded by electrons |
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What is a mixture |
Two or more substances that are not chemicals combined together |
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Mixtures can be separated by? |
FILTRATION CRYSTALISATION AND SIMPLE DISTILATION |
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What is fractional distillation |
It is the separating if mixtures into its fractions |
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Why use fractional distillation |
It’s an effective way of separating miscible liquids using a fractionating column. |
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What does paper chromatography |
It separates mixtures of substances dissolved in a solution as they move up a piece of chromatography paper |
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Ideas about atoms have what |
Changed over time |
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