Atom Timeline by Haileigh Gladfelter https://padlet.com/gladfelterhaileigha/82ygkdkg156w en-us 2018-10-04 17:24:24 UTC 2026-01-06 20:29:35 UTC hello@padlet.com Democritus gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289287440 What: All material bodies are made up of invisibly small "atoms"
When: 460-370 B.C.
Where: Greece
Picture:]]> 2018-10-04 17:29:28 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289287440 John Dalton gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289295573 What: All matter is made of atoms (atoms are invisible and indestructible); All atoms of a given element are identical in mass and properties; Compounds are formed by a combination of two or more different kinds of atoms; A chemical reaction is a rearrangement of atoms
When: 1804
Where: Manchester, Engla
Picture: 
]]> 2018-10-04 17:40:33 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289295573 gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289302761 2018-10-04 17:50:15 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289302761 gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289304297 2018-10-04 17:52:26 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289304297 Joseph Thomson gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289304901 What: All matter is made of of tiny particles that are smaller than atoms, which are now called electrons. 
When: 1894
Where: England
Picture:]]> 2018-10-04 17:53:15 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289304901 Thomson's Atomic Theory gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289741744 2018-10-05 17:22:35 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289741744 Ernest Rutherford gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289743056 What: The description of the structure of atoms
When: 1911
Where: New Zealand
Picture: ]]> 2018-10-05 17:24:47 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289743056 Rutherford's Atomic Theory gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289747101 2018-10-05 17:32:50 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289747101 Niels Bohr gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289747785 What: Description of the structure of atoms, especially hydrogen
When: 1913
Where: Denmark
Picture:]]> 2018-10-05 17:34:01 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289747785 Bohr's Atomic Theory gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289753076 2018-10-05 17:43:59 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289753076 Erwin Schrodinger gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289753445 What: Had continued onto Bohr's theory by formulating a wave equation that accurately calculated the energy levels of electrons in atoms
When: 1926
Where: Austria
Picture:]]> 2018-10-05 17:44:44 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289753445 gladfelterhaileigha https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289757694 2018-10-05 17:52:32 UTC https://padlet.com/gladfelterhaileigha/82ygkdkg156w/wish/289757694