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atom - Coggle Diagram
atom
history
who found it
Democritus found the atom in 450 B.C.
Ernest Rutherford found the atom nucleus
composes of the protons and the neutrons
who made it relevant
John Dalton reintroduced the atom in the 1800's so people could understand and believe in what the atom was
J. J. Thomson the atom has protons and electron moving freely a.k.a. the plum pudding model
what is does
it composes everything around us
it identity what state of matter the thing or object is
liquid
solid
gas
helps identify an element
properties
three pieces that compose the atom
neutron
zero charge
electron
negative charge
proton
positive charge