Understand how to classify a substance as an element compound or mixture
Element
-Consists of one type of atom
-Substances that cannot be split into anything simpler than its chemical means
-All particles are the same
Compound
-Two or more elements chemically combined
-They combine in fixed proportions (fixed ratios)
-Two or more different elements joined together
Mixture
-Two or more substances without chemical bonds
-Can be any proportion (no fixed ratio)
Two or more different particles not joined together
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