Chemistry- Chapter 4

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Chemistry- Chapter 4
2014-04-28 15:01:17

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  1. Matter
    Anything that has mass and occupies space
  2. Pure Substance
    Matter that contains only one kind of particle
  3. Mixture
    Matter that contains more than one particle
  4. Element
    A pure substance that can not be broken down into simpler parts by chemical methods
  5. Compounds
    A pure substance that is made up of two or more different elements that are chemically combined
  6. Physical property
    A characteristic of a substance that can be observed and measured without changing the identity of the substance
  7. Viscosity
    The measure if a substance's resistance to flow
  8. Melting point
    The temp at which a solid turns in to a liquid
  9. Boiling point
    The temp at which a liquid turns into a gas
  10. Solubility
    A measure of the ability of a substance to dissolve in another substance
  11. Density
    The ratio if the mass of a substance to the volume it occupies
  12. Chemical property
    The ability of a substance to change or react and to form new substances
  13. Combustibility
    The ability of a substance to burn in air
  14. Stability
    The ability of a substance to remain unchanged
  15. Toxicity
    The ability of a substance to cause harmful effects in plants and animals