Page 15 - Science Course 1 (Book 2)
P. 15
Mo7-L1c: What is a Mixture?
A homogeneous mixture is a type of mixture in Compounds v. Solutions
which the individual substances are evenly mixed.
The composition in a compound does not vary.
In a homogeneous mixture, the particles of individual Therefore, a chemical formula can be used to
substances are so small and well-mixed that they describe the compound.
are not visible, even with most high-powered micro-
scopes. Because composition in a mixture can vary, a
chemical formula cannot be used to describe
mixtures.
To dissolve means to form a solution by mixing
evenly. A homogeneous mixture is also known as a
solution.
Key Concept
What is a Mixture?
How do mixtures differ from substances?
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