SNC1DW Chapter 4

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  1. Matter
    Anything that has mass and takes up space.Image Upload 1
  2. Pure substance
    Matter that contains only one kind of particle.

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  3. Mixture
    Matter that contains more than one kind of particle.

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  4. Element
    A pure substance that cannot be broken down into simpler parts by chemical methods.

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  5. Compound
    A pure substance made of two or more elements that are chemically combined.

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  6. Physical property
    A characteristic of a substance that can be observed and measured without changing the identity of the substance.

    e.g. colour, appearance, melting/boiling point, density
  7. Viscosity
    The measure of a substance's resistance to flow.

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  8. Melting point
    The temperature at which a solid turns into a liquid.

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  9. Boiling point
    The temperature at which a liquid turns into a gas.

    e.g. The boiling point of water is 100 degrees Celsius.
  10. Solubility
    A measure of the ability of a substance to dissolve in another substance.

    e.g. salt is a solute that dissolves well into water.
  11. Density
    The ratio of the mass of a substance to the volume it occupies.

    e.g. The formula for density is D=m/V.
  12. Chemical property
    The ability of a substance to change (react) and form new substances.

    e.g. reactivity with water, acids, oxygen, combustibility, toxicity
  13. Combustibility
    The ability of a substance to burn in air.

    e.g. Propane is combustible, and it is used for heat air in hot air balloons.
  14. Stability
    The ability of a substance to remain unchanged.

    e.g. wood remains fairly stable in water.
  15. Toxicity
    The ability of a substance to cause harmful effects to plants and animals.

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272442
Card Set
SNC1DW Chapter 4
Description
Glossary terms and definitions for chapter 4.
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