Vocabulary
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Element: Pure substance consisting of one type of
atom.
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Compound: Pure substance consisting of two or more
different atoms.
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Mixture: Two or more different substances not
chemically combined.
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Colloid: A heterogeneous mixture that exhibits the
Tyndall effect.
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Suspension: A heterogeneous mixture that has particles
large enough to settle out.
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Solution: A homogenous mixture in which the particles
are very small.
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Tyndall effect: The scattering of light in a colloid.
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Homogeneous mixture: A mixture with a uniform
composition.
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Heterogeneous mixture: A mixture with a nonuniform
composition.
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Element symbol: An abbreviation for an element’s
name found on the periodic table.
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Compound formula: Represents the combination of two or
more elements in fixed proportions. Subscripts designate the number
of atoms of each element.
การแยกสาร
Mixtures
Mixtures_and_Compounds.
