https://padlet.com/coopergeorgeh/42ojcy5y6gg en-us 2018-10-08 18:42:58 UTC 2018-10-16 00:38:41 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Bigthunderstorm.png coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290449041 When: 400 BCE
Where: Greece
Theory: Atoms are the basic building blocks of matter.]]> 2018-10-08 18:46:01 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290449041 coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290450408 When: 1803
Where: England 
Theory: All matter is made of atoms, atoms are invisible/ indestructible compounds are formed by a combination of atoms. ]]> 2018-10-08 18:48:55 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290450408 coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290451577 When: 1869
Where: Russia
Theory: Arranging the 63 elements based on atomic mass into a periodic table.

]]> 2018-10-08 18:51:38 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290451577 coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290452602 When: 1897
Where: England
Theory: Discovered the electron. He demonstrated the cathode rays were negatively charged.]]> 2018-10-08 18:54:02 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290452602 coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290453362 When: 1911
Where: New Zealand
Theory: Discovered that atoms have a small charged nucleus surrounded by largely empty space, and are circled by tiny electrons]]> 2018-10-08 18:55:36 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290453362 coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290455137 When: 1913
Where: Denmark
Theory: 1st to discover that electrons travel in seperate orbits around the nucleus and the number of them determines the properties of that element.]]> 2018-10-08 18:59:22 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/290455137 coopergeorgeh https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/293111494 When: 1926
Where:Austria
Theory:Used math equations to describe the likelihood of finding an electron in a certain position.]]> 2018-10-16 00:35:13 UTC https://padlet.com/coopergeorgeh/42ojcy5y6gg/wish/293111494