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Definitions
Properties
Changes
scientific notation
100
the extent to which a measurement approaches the true value
What is accuracy
100
observed or measured without changing the substance. color, mass and freezing points, solubility, density.
What is physical property
100
a change whenone or more substances are converted into new substances
What is chemical change
100
5x10 -3
convert 0.005
200
the degree of exactness of a measurement consisting of results in a experiment
What is precision
200
dependent on the amount of matter
What is extensive properties
200
evolution of ehar or light color change formation of gas formation of precipitate
What is 4 signs of chemical change
300
measures how closely packed molecules are given in a area. mass divided by volume.
What is density
300
properties that can identify matter, specific.
What is intensive properties
300
matter cannot be destroyed or created, it only changes its state or rearranges its atomic structure
What is law conservation of matter
400
not uniformly mixed, 2 phases
What is homogeneous
400
reacts with others to form new substances with different properties
What is chemical property
400
anything that hasmass and occupies space
What is matter
500
same throughout, 1 phase throughout
What is homogeneous
500
a change that alters a substance without changing is composition
What is physical change
500
cannot besubdivided, created or destroyed they are combined, seperatedor rearranged in chemical reactions
What is atom