Concept explainers
Interpretation:
The atmosphere consists of a number of permanent gases, to identify each substance as an element or compound, and air is homogenies or heterogeneous it should be explained.
Concept Introduction:
Elements: The elements are chemically the simplest substance and hence cannot be broken down using
Substance: This is a form of matter that has constant chemical composition and characteristic properties it cannot be separated into components by physical separation methods.
Pure substance: The substance that has a uniform (or) correct chemical composition throughout. Mixture: It is blend of two or more substance, each of which retains its chemical identically.
Homogeneous mixture: It is blend of two or more pure substance having a uniform composition at the particular level.
Heterogeneous mixture: It is blend of two or more pure substance having a non-uniform composition at the particular level.
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Modified Mastering Chemistry With Pearson Etext -- Standalone Access Card -- For Fundamentals Of General, Organic, And Biological Chemistry (8th Edition)
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