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Physical Chapter 15
Classification of matter
| Question | Answer |
|---|---|
| Two or more different kinds of particles that are not chemically joined to each other. | mixture |
| Matter can be broken down into 2 catagories. What are they? | Pure Substances and Mixtures |
| What is considered a pure substance? | Elements and compounds |
| What are the two types of mixtures? | Heterogeneous and homogeneous |
| Which type of mixtures looks like it is made of different substances visually? | Heterogeneous |
| Which type of mixtures look the same, uniform throughout? | Homogeneous |
| separates solids from liquids by using a porous barrier | Filtration |
| What type of change is used during distillation, crystallization or chromatography? | Physical |
| Element or Compound: silicon | Element |
| Element or compound: sodium chloride | compound |
| Element or compound: baking soda | compound |
| A substance that cannot be separated into simpler substances by physical or chemical means is a(n) | Element |
| A chemical combination of two or more different elements is a | Compound |
| Can be purified physically but requires chemical reactions to break into its components. | Compound |
| A Substance that can be separated into its components through physical methods? | Mixture |
| Properties that can be observed without changing the substance's chemical structure or composition. | Physical |
| Properties observed when the substance's atoms are rearranged, broken apart or newly bonded. | Chemical |
| Physical Change or Chemical Change? Boiling | physical |
| Physical Change or Chemical Change? Burning | Chemical |
| Physical Change or Chemical Change? Rusting | Chemical |
| Physical Change or Chemical Change? Freezing | Physical |
| Physical Change or Chemical Change? Ripping | Physical |
| Physical Change or Chemical Change? Rusting | Chemical |
| Physical Change or Chemical Change? Tarnishing | Chemical |
| Physical or Chemical Property? Melting point | Physical |
| Physical or Chemical Property? Density | Physical |
| Physical or Chemical Property? Hardness | Physical |
| Physical or Chemical Property? reacts to oxygen | Chemical |
| Physical or Chemical Property? bubbles when with acid | Chemical |
| Physical or Chemical Property? Turns green when exposed to air | Chemical |
| Physical or Chemical Property? ability to rot | Chemical |
| Physical or Chemical Property? Malleable | Physical |
| homogeneous mixture with particles that will never settle out, particles too small to see without an extreme microscope | Solution |
| Heterogeneous mixture with large particles that easily settle out | Suspension |
| Scattering of light off of a colloid, reason fog can blind people when driving | Tyndall Effect |
| homogeneous mixture, usually something dissolved in water | Solution |
| Mixture with particles (visible with magnifying glass)that take a long time to settle. Scatters light | Colloid |
| Matter is neither created nor destroyed, but it can be changed from one form to another | Law of conservation of mass(matter) |
Created by:
benkersn
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