history of the atom
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12 Terms
democritus
who was the first person that proposed the idea of the atom
lavoisier
who created the law of conservation of matter (mass of reactants = mass of products)
proust
who created the law of definite proportion (specific substances always contain the same amu ratio)
john dalton
who believed that atoms were hard, indestructible spheres
jj thomson
who was the first person to give internal structure to the atom
jj thomson
who discovered protons and electrons
jj thomson
who created the plum pudding model
robert millikan
who determined the charge for a single electron
ernest rutherford
who shot alpha particles at a sheet of gold
ernest rutherford
who discovered the nucleus
niels bohr
who discovered that electrons circle the nucleus
sir james chadwick
who discovered the neutron