How can matter be classified ?
- Matter can be classified in several ways.Every sample of matter is either an ELEMENT , a COMPOUND , or a MIXTURE .
Why are elements and compounds considered Pure Substances ?
- Elements and Compounds are considered pure substances because a Pure Substances is matter that has a fixed composition and definite properties .
How are elements and compounds different from mixtures ?
- Elements and compounds are a mixture of molecule of atom . A Molecule is the smallest unit of matter. However on the other hand a mixture is a combination of two or more substances that are not chemically combined. It's a molecule of substances that are not chemically combined .
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