https://padlet.com/102399cs/ooj9kjf8uz6vux9r Atomic discovery en-us 2020-10-21 15:05:26 UTC 2020-10-28 18:00:41 UTC hello@padlet.com 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849929551 Created the atomic theory. (400 B.C.E)]]> 2020-10-21 18:19:56 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849929551 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849991312 Believed  that atoms of a given element were identical. (1803)]]> 2020-10-21 18:35:16 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849991312 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849992319 Discovered the electron. Used cathode ray tube in his discovery.(1897)]]> 2020-10-21 18:35:31 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849992319 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849993582 Did the gold foil experiment. Created the "plum pudding" model of the atom.(1911)]]> 2020-10-21 18:35:50 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/849993582 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870190361 Created a model of the atom with electrons moving around the nucleus in fixed movements.(1913)]]> 2020-10-28 15:51:48 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870190361 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870297388 Discovered the neutron. Discovered that the proton has a positive charge. (1932)]]> 2020-10-28 16:13:30 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870297388 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870715349 Worked with the Quantum Theory. (1925)]]> 2020-10-28 17:42:40 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870715349 102399cs https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870788235 Created the first periodic table. Determined that the properties of elements are periodic.(1869)]]> 2020-10-28 17:58:56 UTC https://padlet.com/102399cs/ooj9kjf8uz6vux9r/wish/870788235