https://padlet.com/3808733/s6vau3qas1yjqqqp en-us 2023-09-28 04:38:14 UTC 2023-09-28 05:33:42 UTC hello@padlet.com 3808733 https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724116456 -Showed that common substances always broke down into the same elements in the same proportions
- Concluded that the various compounds were combinations of atoms of different elements, each of a particular size and mass that could neither be created nor destroyed.]]> 2023-09-28 05:15:24 UTC https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724116456 3808733 https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724118957 -He showed atoms as uniformly packed spheres of positive matter filled with negatively charged electrons.

]]> 2023-09-28 05:19:46 UTC https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724118957 3808733 https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724122873 - While studying the effects of x-rays on gases, he decided to look at atoms more closely
- He shot small, positively charged alpha particles at a sheet of gold foil. ]]> 2023-09-28 05:25:44 UTC https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724122873 3808733 https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724125568 - Claimed that electrons orbit the nucleus at fixed energies and distances,, able to jump to one level to another but not exist in the space between.]]> 2023-09-28 05:30:03 UTC https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724125568 3808733 https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724127781 - He showed that it was impossible to determine the exact position and speed of electrons as they moved around the atom ]]> 2023-09-28 05:33:42 UTC https://padlet.com/3808733/s6vau3qas1yjqqqp/wish/2724127781