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Chapter 3
Matter: Properties and Changes
20
Chemistry
10th Grade
09/05/2007

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Term
extensive property
Definition
dependent on the amount of substance present
Term
intensive property
Definition
independent of the amount of substance present
Term
states of matter
Definition
physical forms (solid, liquid, gas, plasma)
Term
solid
Definition
definite shape and volume
Term
liquid
Definition
flows, constant volume, and takes shape of container
Term
gas
Definition
flows to fill the container
Term
vapor
Definition
gaseous form of a solid or liquid at room temperature
Term
physical change
Definition
alter a substance without changing its composition
Term
chemical change
Definition
when substances change into new substances
Term
law of conservation of mass
Definition
mass is neither created nor destroyed
Term
mixture
Definition
combination of two or more pure substances
Term
solution
Definition
a solute is dissolved in the solvent
Term
filtration
Definition
separates a solid from a liquid
Term
distillation
Definition
separation based on different boiling points
Term
crystallization
Definition
pure solids separated from a solution
Term
chromatography
Definition
separates components of a mixture in solution
Term
element
Definition
simplest pure substance
Term
periodic table
Definition
organization of the elements
Term
compound
Definition
combination of pure substances, chemically
Term
percent by mass
Definition
ratio of mass of an element to the compound
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