https://padlet.com/s971545/cpc48uc79ookuvvo Scientists en-us 2021-01-15 14:04:11 UTC 2025-01-30 18:39:50 UTC hello@padlet.com https://media3.giphy.com/media/13twUEuUnCrEju/giphy.gif s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1091258111 John Dalton discovered the ISSM in early 19th century. He came up with this theory when he was working with gas.]]> 2021-01-15 14:19:44 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1091258111 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1091276759 Erwin Schrodinger made this model in 1926 to help visualize the most probable location of electrons]]> 2021-01-15 14:23:15 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1091276759 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1091308915 JJ Thomson came up with this model in 1903 with a positive medium filled with negative electrons inside.]]> 2021-01-15 14:30:27 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1091308915 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101128237 In 1911 Rutherford envisioned the atom to be like a solar system. The electrons will be circulating the nucleus]]> 2021-01-19 13:33:30 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101128237 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101192817 In 1913, Bohr developed a new model of the atom from the work of Rutherford. The electrons circulate a positively charged nucleus.]]> 2021-01-19 13:48:08 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101192817 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101213465 In 427 B.C Plato introduced the first atomic theory. It broke down mathematically into triangles, such that the form elements had the following shape]]> 2021-01-19 13:52:31 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101213465 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101227637 In 400 B.C. Democritus proposed the idea that everything was made of smaller indivisible atoms.]]> 2021-01-19 13:55:28 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101227637 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101238296 2021-01-19 13:57:40 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101238296 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101243524 2021-01-19 13:58:47 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101243524 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101248849 2021-01-19 13:59:53 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101248849 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101252217 2021-01-19 14:00:34 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101252217 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101256122 2021-01-19 14:01:18 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101256122 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101261156 2021-01-19 14:02:16 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101261156 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101274012 2021-01-19 14:04:53 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101274012 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101277646 2021-01-19 14:05:35 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101277646 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101281923 2021-01-19 14:06:25 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101281923 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101284970 2021-01-19 14:07:02 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101284970 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101289984 2021-01-19 14:07:59 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101289984 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101293000 2021-01-19 14:08:35 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101293000 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101303115 Between 1772 and 1794, through a series of experiments found that the total mass of products and reactants in a chemical reactions is always the same. This led to the theory of the law of conservation of mass. ]]> 2021-01-19 14:10:33 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101303115 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101330787 In 1909 Millikan began a series of experiments to determine the electric charge carried by a single electron. He used water drops to measure the charge.]]> 2021-01-19 14:15:45 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101330787 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101347805 In 1932 Chadwick interpreted a radiation with a neutral charge. This led to the discovery of the neutrons.]]> 2021-01-19 14:19:06 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101347805 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101378384 In 1925 Pauli added something to his principle stated that no two electrons occupy the same orbital line and have to have opposite spins]]> 2021-01-19 14:24:47 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101378384 s971545 https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101405726 In 1925 Hund made a rule that stated, every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.]]> 2021-01-19 14:30:00 UTC https://padlet.com/s971545/cpc48uc79ookuvvo/wish/1101405726