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Chemistry of Life
Elements and Compounds
Description
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of t...
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Transcript
In nature, pure substances are classified as either elements that cannot be broken down into simpler substances or compounds made up of two or more elements combined in fixed ratios.
Depending on the type of atom, elements exist either as single atoms or as molecular elements, while compounds can be either molecular or ionic.
Single ...
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