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elem/comp/mix
element & compound
| Question | Answer |
|---|---|
| pure substance that cannot be separated into simpler substances by physical or chemical means | element |
| a sample of matter, either a single element or compound, that has definite chemical and physical properties | pure substance |
| a pure substance composed of 2 or more elements that have been chemically combined | compound |
| a group of elements that are shiny and are electrical and thermal conductors | metal |
| a group of elements that are dull and conduct electricity and heat poorly | nonmetal |
| a group of elements that has properties of both metals and non metals | metalloid |
| a property of an element or compound that does not depend on the amount of the substance | characteristic property |
| particles of an element | atom |
| particles of a compound | molecule |
| combine in different ratios to become compounds | elements |
| has unique set of properties different from elements that make it up | compound |
| iodine, sulfur | nonmetal |
| copper, aluminum | metal |
| boron, silicon | metalloid |
| particles are evenly distributed and you can't distinguish between them | homogeneous |
| particles are unevenly distributed and you can easily distinguish between them | heterogeneous |
| heterogeneous mixture - solids suspended (will settle) in a liquids | suspension |
| homogeneous mixture - particles do not scatter light ( transparent) | solution |
| homogeneous mixture - particles scatter light (can't see through) | colloid |
| classify italian salad dressing | heterogeneous mixture - suspension |
| classify jello | homogeneous mixture - colloid |
| classify salad | heterogeneous mixture |
| classify iron (Fe) | element - 1 kind of atom |
| classify CO2 | compound - 2 different elements combined |
| alloy | solid solution of metal dissolved in another metal (brass) |
| alloy | solid solution of a metal dissolved in another metal ( alloy) |
Created by:
mlopez