Jj Thompson in 1904.................. Actually it was Ernest Rutherford who Disproved it in 1911. JJ thompson was the creator of the plum pudding theory
Thomson's student Rutherford, at the Gold Foil Experiment.
A few alpha particles bounced off a thin sheet of gold foil.
Electrons have more energy the farther they are from the nucleus.
Negative changes
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nuclear and electrons is Niels Bohr discovery
Dalton, thomas, enerst, niels and james
He placed electrons in orbits around the nucleus.
Niels Bohr introduced the notion of electronic orbits.
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nuclear and electrons is Niels Bohr discovery
something else
Dalton, thomas, enerst, niels and james
He placed electrons in orbits around the nucleus.
He used his experimental staff. No, really, when they hit a wall and were at wits end, he'd set them back on the path to discovery. He would suggest experiments. He would tell them how to get around problems. His staff was his "equipment."
He formulated his atomic model (electrons orbiting the nucleus) in 1913.
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This discovery is from Ernest Rutherford (approx. 1913).
Niel Bohr's atomic discovery was made in Coppehagin Copenhagen, but it was published in England.