7 jan 1808 ano - John Dalton
Dalton created the very first atomic theory.
Dalton viewed atoms as tiny, solid balls.
Daltons theory had 4 parts to it:
1) Atoms are tiny, invisible particles
2) Atoms of one element are all the same
3) Atoms of different elements are different
4) compounds form by combining atoms
Adicionado na linha do tempo:
Scientific Models of the atom 1-12-18 Jackson 1st hour
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