Chapter 4 terms

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Chapter 4 terms
2012-11-20 20:44:41

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  1. What is Matter?
    Matter is anything that has Mass and Takes up Space.
  2. What is a Pure Substance?
    A pure substance is matter that contains only one kind of particle.
  3. What is a Mixture?
    Mixture is a matter that contains more then one kind of particle together.
  4. What is a Element?
    A element is a pure substance that cannot be broken down into simpler parts by using chemical methods.
  5. What is a Compound?
    A compound is a pure substance made of two or more different chemicals that are chemically combined.
  6. What is a Physical Property?
    Physical Property is the charcteristic of a substance that can be observed and mesured without changing the identity of the substance.
  7. What is Viscocity?
    Viscosity is the mesure of a substances ability to flow.
  8. What is a Melting Point?
    This is the tempature in which a solid turns into a liquid.
  9. What is a Boiling Point?
    This is the tempature of which a liquid turns into a gas.
  10. What is a Soloubility?
    This is the measure of the ability of a substance to disolve in another substance.
  11. What is Density?
    Density is the ratio of the mass of a substance to the volume it occupies.
  12. What is Chemical Property?
    Chemical property is the ability of a substance to change or react, and to form new substances.
  13. What is Combustibility?
    Combustibility is the ability of a substance to burn in the air.
  14. What is Stability?
    Stability is the ability of a substance to remain unchanged.
  15. What is Toxicity?
    Toxicity is the ability of a substance to cause harmful effects in plants and animals.