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8 Cards in this Set

  • Front
  • Back
homogenous
ex: water
every portion of the water looks (and is) EXACTLy like every other portion of water; completely uniform throughout
heterogenous
ex: choco. chip cookie
u can see choco. chips, pecans, cookie dough, etc.
homo substances can only be one of 3 things
elements
compounds
or
solutions
element
matter composed of only one type of atom
the sipmlest form of matter
cannot be changed to another element except by a nuclear reaction
how many elements r discovered?
116; 109- named and accpeted; 6 may be added this yr
# of elements naturally occuring
88
symbol for the following:
carbon
hydrogen
oxygen
nitrogen
C
H
O
N
symbol for following
sulfur
magnesium
calcium
chlorine
S
Mg
Ca
Cl