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a solution that cannot have any more of a solid dissolved into it, for example, if you continue to add sodium chloride to water until no more will dissolve, you can describe the mixture of aqueous sodium chloride and solid sodium chloride as a saturated solution.
the part of the atmosphere that extends to a height of 10 km above the surface of the Earth.
everything around, and excluding, the chemical system itself.
a bond between two or more non-metals that share electrons.
a chemical reaction in which two or more chemicals combine to form a more complex product.
the gaseous envelope that surrounds the Earth.