Atomic Structure And The Periodic Table Flashcards
What did John dalton discover and when?
1803 - tiny spheres that cannot be divided.
Who developed john daltons theory 100 years later and what did they discover?
J J Thomson - discovered the electron - plum pudding model.
When did Ernest Rutherford develop the nuclear model?
1909
What is the plum pudding model?
A sphere of positive charge with electrons embedded in it.
Whos model did Neil’s bohr adapt and what did he discover initially?
Ernest Rutherford.
Discovered that electrons orbit the nucleas on shells and that shells are at set distances from the nucleas.
What is Neil’s bohrs further experiments discover?
That the nucleas contained small particles called protons.
Who discovered neutrons and when?
James chaswick in 1932.
Who did the alpha particles scattering experiment?
Ernest Rutherford.
