 | Term | Definition |
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Element |
A pure substance that cannot be seperated into simpler substances by physical and chemical means. |
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pure substance |
a substance in which there are only one type of particle, or atom |
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characteristic properties |
an element's unique set of properties (both physical and chemical) |
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metal |
an element that is shiny and conducts heat & electricity well. They are mallaeable and ducticle. |
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nonmetals |
do no conduct heat or electric current and are dull in appearance. They are brittle and nonmalleable. |
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metalloids |
Some are shiny, some are dull. Some can conduct electric current well, some don't. Some are malleable and ductile, some are not. |
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compound |
pure substance composed of two or more elements that are chemically combined |
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mixture |
a combination of two or more substances that are not chemically combined |
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distillation |
process that seperates a mixture based on the boiling points of the components |
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magnet |
seperates a mixture of the elements iron and aluminum. Iron is attracted but aluminum is not. |
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centrifuge |
machine that seperates the components in blood by seperating them into layers |
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solution |
mixture that appears to be a single substance |
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solute |
the substance that dissolved in the solvent |
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solvent |
substance that the solute dissolves in. |
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concentration |
the amount of solute dissolved in solvent. |
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solubility |
the abilty of a solute to dissolve in solvent at a certain temperature |
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suspension |
a mixture in which particles of a material are despersed through a liquid or gas but are large enough that they settle out |
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colloid |
a mixture in which particles are dispersed throughout but are not heavy enough to settle out |
