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1.1
properties of matter
| Term | Definition |
|---|---|
| matter | occupies space and has mass |
| element | pure substance, not as common in nature, can't be seperated with chemical methods |
| compound | made of 2 or more elements, more common in nature, can be seperated with chemical methods |
| mixture | most common in nature, components aren't chemically combinedconsists of 2 or more elements which can retain og state, can be seperated with physical methods |
| homogeneous mixture | a mixture in which the composition is uniform throughout |
| heterogeneous mixture | a mixture in which the composition is not uniform throughout |
| sieving | solid particles seperated by size |
| sedimentation | solid particles setlle out from liquid or gas (larger at the bottom) |
| decanting | pouring a lquid of a solid (after sedimentation) |
| filtration | undissolved solid particles seperated from liquid or gas through a filter |
| evaporation | used when one component evaporates faster (seperate a solute from a solution) |
| solute | the substance that is dissolved |
| solvent | the substance that does the dissolving |
| magnetic seperation | used when one compenent has a higher magnetic attraction |
| seperating funnel | used to seperate two immiscible liquids (liquids of different density) |
| centrifuging | mixture seperated by being spun extremely fast |
| distillation | used to extract a solvent from solution through evaporation based on boiling point |
| fractional distillation | used to seperate components of a liquid mixture using evaporation (boiling points differ) |
| gravimetric analysis | analysis by mass (mass percentage of each substance in a mixture) |
| metals | lusterous |
| metals | malleable |
| metals | ductile |
| metals | mostly silvery in colour |
| metals | dense |
| metals | high melting and boiling point (solids) |
| metals | good conductors of heat and electricity |
| metalloids | properties of both metals and nonmetals |
| non-metals | dull |
| non-metals | not malleable/brittle |
| non-metals | most are gas at room temperature |
| non-metals | not ductile |
| non-metals | low density |
| non-metals | low melting and boiling points |
| non-metals | poor conductors of heat and electricity |
| non-metals |
Created by:
hoeshi
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