Classification of Matter:
1. Elements
2. Compounds
3. Mixtures
Compounds:
A compound is a substance formed when two or more elements are chemically combined together and can be separated only by chemical means into the substances it is composed of. Examples of chemical compounds are water (H2 O), sodium chloride or salt (NaCl), ethanol (C2 H5 OH), etc.
Properties of a Compound:
1.
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