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Chem 1 mid term

Terms

undefined, object
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homogenous mixture
one that has unifrom composition throughout and a single phase also called a solution
heterogeneuos mixture
one that does not have a uniform composition thourghout and is in more than one phase
gas
a form of matter that flows to conform to the shape and volume fo tis container easily compressed
vapor
gas state of a substance that is a liquid at room temperature
sig figs rules (5)
-all non zero numbers
-zeros between nonzeros
-zeros to the right of the decimal place
-zeros that are placeholders not significant .002 430 <-neither 0's are sig figs
-counting #s defined as constants have an infinite # of sig figs
percise
results close
accurate
close to true answer
alpha particle radiation
2 protons and 2 nuetron +2 charge 4He
2
beta
1- charge 0B
-1 like an electron
down
group family
across
period series
radius
down increases across decreases
I.E.
down decreases across increases
E.A.
down decreases across increases

Deck Info

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