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| THE HARDER TO REMEMBER ONESS (FOR MEEE) |
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| combination of two or more substances that are COMBINED PHYSICALLY but not chemically |
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| Pure substances, they do not have definate properties |
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| particles that are unevenly spread thoughout (homogeneous) UNLIKE SUSPENSION, PARTILES IN COLLOIDS=TOO SMALL TO SETTLE OUT OF THE MIXTURE |
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| an element is made up of only what? |
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| mde up of DIFF KINDS of atoms CHEMICALLY COMBINED |
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| variety of elements and compounds NOT CHEMICALLY COMBINED |
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| smallest particle of a substance that retains the chemical and physical properties of the substance |
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substance with definate physical and chemial properites
made of just one type of particle |
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| Physical changes do not.... |
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| change the idetity of pure substances |
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| your weight is made up of |
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| #of protons && electrons in neutraly charged atoms are... |
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| the same so charges=balanced |
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| # of electrons in the outermost shell of an atom participate in chemical bonding |
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