chem ch 3
Terms
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- mixture can be
- solid, liqiud, or a gas
- distillation
- homogeneous mixtures (liqiuds) seperated based on boiling points
- crystallization
- draws out pure solid particles from a solution
- chemical property
- the ability of a substance to combine with or change into one or more other substances
- phase change
- change in state of matter
- filtration
- heterogeneous mixtures being filtered to seperate soids from liqiuds
- physical property
- can be observed without changing the chemical compostition of the material
- matter
- anthing that has mass and takes up space
- element
- the simplest form of matter
- homogenous mixture
- looks the same throughout, can also be called a solution
- heterogeneous mixture
- has noiceable differences
- compound
- 2 or more elements
- chemical change
- occures when the starting material changes into something new and different from what it was initally
- reactants
- the starting materials in a chemical reaction
- chromatography
- homogeneous mixture seperated based on the way each component travels across a surface
- mixture
- combination of 2 or more substances
- substance
- matter that has uniform and unchanging composition
- physical change
- alters a substance w/o changing it into something new or different
- law of conservation of mass
- states that mass is neither created or destoryed, it is conserved
- products
- the materials formed in a chemical reaction