220448
| Frage | Antworten |
| Pure Substance | Matter that has a fixed or uniform composition; every sample of substance has the same properties |
| Composition | The way in which something is made, especially in terms of its different parts |
| Element | A substance that was not chemically reacted (no chemical change), has only one atom, and is a type of pure substance |
| Compound | Made of atoms of more than one atom which are bonded chemically and is a new substance; a type of pure substance |
| 6 Most Abundant Elements | *CHNOPS* |
| C= Carbon |
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carbon (image/jpg)
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| H= Hydrogen |
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hydrogen (image/jpg)
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| N= Nitrogen |
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nitrogen (image/jpg)
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| O=Oxygen |
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oxygen (image/jpg)
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| P= Phosphorus |
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phosphorus (image/jpg)
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| S= Sulfer |
Image:
Sulfur.gif (image/gif)
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| Matter | Everything that has mass and takes up space |
| Diatomic Atoms | Elements that are so reactive that it can't be found alone (ex: oxygen,O2) |
| Mixture | Mix of more than one pure substance and has no reaction |
| Heterogeneous | Not uniform composition and different components can be seen in substance (noticeable mixture ) |
| Homogeneous | Substances are so evenly distributed that it is difficult to distinguish on substance to another; appears to be only one substance (less noticeable mixture) |
| Suspension | Mixtures that can separate into layers over time, can be filtered, and scatters light with large particles (heterogeneous) |
| Colloid | A suspension of small particles dispersed in another substance and light can pass through it (homogeneous) |
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