9635680
Beschreibung
Karteikarten von Mia Frewin , aktualisiert more than 1 year ago
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Erstellt von Mia Frewin
vor fast 7 Jahre
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| Frage | Antworten |
| What is an element? | An element is a substance that cannot be separated into anything simpler & contains only one type of atom. |
| What is a compound? | A compound is a substance that consists of two or more elements chemically combined. The amounts of each element are in fixed proportions. A compound can only be broken down by chemical means and not by physical methods.A compound has different properties to the element it contains. |
| What is a mixture? | A mixture can be separated into simpler substances by physical means. The amounts of these substances can be present in any proportion. The properties of a mixture are the same as those of the substances it contains. |
| What are the methods of separating substances physically? | filtration, evaporation, chromatography, magnets |
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