CHEM INTRO
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20 Terms
Science
Knowledge
Chemistry
The study of MATTER and its INTERACTIONS with other MATTER and ENERGY
Scientific Method
Theory tested my experimemts
Hypothesis
Possible explanination
Law
Summerizes larger number of observation
Theory
Explanation of laws of theory
Matter
Mass that occupies space
Mass
Quantity of matter
( balance to measure )
Weight
Force of attraction between objects
( scale to measure )
Property
Anything observed or measured
EXTENSIVE property
size of sample
INTENSIVE property
size
Physical properties
Can be measured without change
Chemical properties
Measures reactivity
Substance
Any single substance is pure and same throughout
Element
CANNOT be broken by chemical means
Compounds
CAN be broken down
EX> H20
Mixture
Can be seperated by physical methods
Heterogenous mixtures
A mixture that is NOT uniform
Homogenous mixture
A mixture that IS uniform
Note 
Flashcards (24)