https://padlet.com/bharmon11/k0d3rdu708cu Atoms come alive in History en-us 2017-09-15 17:55:14 UTC 2017-09-15 21:01:31 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Planets.png bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049555 The theory pretty much is that an atom is has a dense nucleus with surrounded by a cloud of electrons with various orbits.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049555 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049557 Used mathematical equations to decide the likelihood of where an electron could be. All of this is based on Bohr's theory, just showed the probability of it. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049557 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049558 Nothing so far...]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049558 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049560

]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049560 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049561 A Cloud]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049561 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049563 He developed an explanation of atomic structure that underlies regularities of the periodic table of elements. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049563 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049564 He took Rutherford's theory and made a model to show it. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049564 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049565 Charged electrons moving in an orbit around the nucleus should radiate energy due to the acceleration of the electron in its orbit.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049565 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049566

]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049566 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049567 A Bohring Circle]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049567 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049570 Studied radiation emitted from uranium and thorium and named them alpha and beta. He also discovered the nucleus.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049570 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049571 He used alpha particles and shot them through gold foil. Most went through and some shot back. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049571 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049572 The planetary model of the atom failed to explain why individual atoms produce discrete line spectra. According to Rutherford's model, each individual atom should produce a continuous line spectrum. The second flaw to his model was the fact that electrons orbit the nucleus in a circular fashion.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049572 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049573

]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049573 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049574 The Big Bang Theory]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049574 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049575 Thomson theorized that there are positive and negative electrons inside an atom. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049575 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049577 He tried to show that the cathode rays produced from the cathode were really a stream of negatively charged particles called electron. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049577 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049578 Thomson's model of the atom did explain some of the electrical properties of the atom due to the electrons, but failed to recognize the positive charges in the atom as particles.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049578 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049581

]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049581 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049582 Thomson's Plum Pudding]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049582 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049583 Dalton theorized that all matter was made up of atoms, indestructible and unchangeable. All atoms of a single element are identical, but other elements have atoms of different shapes and sizes. ]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049583 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049584 Matter is made of atoms that are indivisible and indestructible and that all atoms of a single element are identical. He didn't really do any experiments, just came up with ideas.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049584 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049585  Evidence began to accumulate which suggested that the atom might not be the solid circle that Dalton had envisioned. This evidence came in the form of the discovery of electrically charged particles and radioactive materials. Based on these new discoveries, Dalton's proposal of a solid, indestructible atom became unacceptable.]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049585 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049586

]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049586 bharmon11 https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049587 Round Dall Circle]]> 2017-09-15 17:55:14 UTC https://padlet.com/bharmon11/k0d3rdu708cu/wish/188049587