Classifying Matter Vocab

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  1. Tyndall effect
    the phenomenon in which light is scattered by very small particles in its path; it makes a beam of light visible; the scattered light is mainly blue
    Colloids consist of two phases: a dispersed phase inside of a continuous medium.
    [edit] The Tyndall Effect

    The Tyndall effect distinguishes colloids from solutions.
  2. colloid
    a mixture with properties between those of a solution and fine suspension
    Colloids
    + 1.2.3
  3. solute
    the dissolved matter in a homogenous liquid mixture
    The substance that gets dissolved is the solute.
  4. filtration
    the process whereby fluids pass through a filter or a filtering medium
    Filtration
    o 2.2
  5. chromatography
    a process used for separating mixtures by virtue of differences in absorbency
    Chromatography separates phases dissolved in liquid.
  6. mixture
    a collection containing a variety of sorts of things
    * A mixture consists of two or more substances (element or compound) mixed together without any chemical bond.
  7. homogeneous
    all of the same or similar kind or nature
    Homogeneous Mixtures
    o 1.2
  8. chemical bond
    an electrical force linking atoms
    * A mixture consists of two or more substances (element or compound) mixed together without any chemical bond.
  9. heterogeneous
    consisting of elements not of the same kind or nature
    Heterogeneous Mixtures
    + 1.2.1
  10. distillation
    purifying a liquid by boiling it and condensing its vapors
    Distillation
    o 2.3
  11. periodic table
    arrangement of chemical elements according to atomic number
    The periodic table is a tabular representation of the known elements.
  12. centrifuge
    an apparatus that separates particles from a suspension
    In a medical lab, blood often goes into a centrifuge.
  13. dissolve
    pass into a solution
    Air, sea water, and carbonation dissolved in soda are all examples of homogeneous mixtures, or solutions.
  14. separate
    standing apart; not attached to or supported by anything
    A mixture can be separated into its individual components by mechanical means.
  15. suspension
    the act of hanging something from above so it moves freely
    Suspensions
    + 1.2.2
  16. manually
    by hand
    However, many mixtures contain particles that are too small, liquids, or too many particles to be separated manually.
  17. chemical element
    any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
    * A compound consists of two or more chemical elements that are chemically bonded together.
  18. solution
    a homogeneous mixture of two or more substances
    Air, sea water, and carbonation dissolved in soda are all examples of homogeneous mixtures, or solutions.
  19. chemical compound
    (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
    Water (H2O) and table sugar (C12H22O11) are examples of chemical compounds.
  20. solvent
    capable of meeting financial obligations
    The substance that does the dissolving is the solvent.
  21. classify
    arrange or order by categories
    Matter can be classified by its state.
  22. filter
    device that removes something from what passes through it
    All you would need is some sort of filter.
  23. bonding
    the act of fastening firmly together
    Because there is no chemical bonding in a mixture, the phases can be separated by mechanical means.
  24. separated
    being or feeling set or kept apart from others
    A mixture can be separated into its individual components by mechanical means.
  25. classified
    arranged into classes
    Matter can be classified by its state.
  26. substance
    the real physical matter of which a person or thing consists
    * An element is a pure substance made up of atoms with the same number of protons.
  27. chemically
    with respect to chemistry
    * A compound consists of two or more chemical elements that are chemically bonded together.
  28. compound
    a whole formed by a union of two or more elements or parts
    * A compound consists of two or more chemical elements that are chemically bonded together.
  29. element
    a substance that cannot be separated into simpler substances
    * An element is a pure substance made up of atoms with the same number of protons.
  30. mixed
    consisting of a haphazard assortment of different kinds
    * A mixture consists of two or more substances (element or compound) mixed together without any chemical bond.
  31. atom
    the smallest component of an element
    * An element is a pure substance made up of atoms with the same number of protons.
  32. elements
    violent or severe weather
    As of 2009, 117 elements have been observed, 92 of which occur naturally.
  33. chemical
    produced by reactions involving atomic or molecular changes
    * A compound consists of two or more chemical elements that are chemically bonded together.
  34. composition
    the way in which someone or something is put together
    Matter can also be classified by its composition.
  35. compose
    form the substance of
    No matter what sample you take from the mixture, it will always be composed of the same combination of phases.
  36. periodic
    happening or recurring at regular intervals
    The periodic table is a tabular representation of the known elements.
  37. mix
    mix together different elements
    * A mixture consists of two or more substances (element or compound) mixed together without any chemical bond.
  38. dissolving
    the process of going into solution
    The substance that does the dissolving is the solvent.
  39. mechanical
    using tools or devices
    A mixture can be separated into its individual components by mechanical means.
  40. molecule
    the simplest structural unit of an element or compound
    The gas molecules quickly spread out into a uniform composition.
    [edit] Heterogeneous Mixtures

    A heterogeneous mixture is not uniform.
  41. bond
    a connection that fastens things together
    * A compound consists of two or more chemical elements that are chemically bonded together.
  42. separation
    the act of dividing or disconnecting
    Separation of several liquids with similar boiling points can be achieved using fractionation.
    [edit] Centrifugation and Sedimentation
    Sedimentation is used to purify wastewater, by letting it settle and removing the settled material (sludge, in this case).
  43. volume
    the property of something that is great in magnitude
    * Solids have a set volume and shape.
  44. combination
    the act of bringing things together to form a new whole
    No matter what sample you take from the mixture, it will always be composed of the same combination of phases.
  45. state
    the way something is with respect to its main attributes
    Matter can be classified by its state.
  46. medium
    the surrounding environment
    Colloids consist of two phases: a dispersed phase inside of a continuous medium.
    [edit] The Tyndall Effect

    The Tyndall effect distinguishes colloids from solutions.
Created on Wed Jun 09 11:39:35 EDT 2010

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