Chemistry 121: Chapter 1

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  1. What are Physical Properites?
    Examples...?
    can be observed without changing a substance into another substance.

    Some examples include boiling point,density, mass, or volume.
  2. What are Chemical Properties?
    Examples...?
    can only be observed when a substance is changed into another substance.

    Some examples include flammability,corrosiveness, or reactivity with acid.
  3. What are the 3 states of matter?
    Give example of each...
    Solid, Liquid, Gas

    Ice (solid), Water (liquid), Water Vapor (gas)
  4. What are the two types of substances?
    Elements and compounds
  5. Define element
    An element is a substance which can notbe decomposed to simpler substances
  6. define compound
    a compound is a substance which can bedecomposed to simpler substances
  7. What are 2 types of mixtures?
    Heterogeneous and homogeneous
  8. Define heterogeneous mixture
    Mixtures can vary in composition throughout a sample (heterogeneous)
  9. Define homogeneous mixture
    mixtures can have the same composition throughout the sample (homogeneous)
  10. Accuracy
    refers to the proximity of a measurement to the true value of a quantity.
  11. Precision
    refers to the proximity of several measurements to each other.
Author:
asfreeze
ID:
315766
Card Set:
Chemistry 121: Chapter 1
Updated:
2016-02-11 18:49:22
Tags:
chemistry 121 tmcc
Folders:
chemistry
Description:
Chapter 1 for Chemistry 121 at TMCC
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