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-composed of atoms -atoms=building blocks of _____?(e.g.legos) |
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| How many different types of elements are found in nature? |
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-substance composed of 2 or more elements which are chemically combined fixed proportions. -more than 24million of these! -represented by chemical formulas -Ex: table salt:(NaC1), ammonia(Nh3),and baking soda. |
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| Blend of 2 or more substances together. |
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-particles are uniformerly mingled with particles of water. -aka solutions |
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-colloid -medium sized particles -particles dont settle -ex: milk, fog, mayonnaise |
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-large particles -particles settle |
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