Atomic History Project by Ashley Person https://padlet.com/490227/77tgxzd6at52 en-us 2016-10-31 15:18:24 UTC 2026-01-01 15:54:19 UTC hello@padlet.com Atomic History 490227 https://padlet.com/490227/77tgxzd6at52/wish/134255799 2016-10-31 15:20:08 UTC https://padlet.com/490227/77tgxzd6at52/wish/134255799 In the 1800s an English chemist,John Dalton performed experiments with various chemicals that showed that matter,indeed,seem to consist of atoms 490227 https://padlet.com/490227/77tgxzd6at52/wish/134509588 2016-11-01 15:14:26 UTC https://padlet.com/490227/77tgxzd6at52/wish/134509588 Atom  490227 https://padlet.com/490227/77tgxzd6at52/wish/134513577 A unit of matter,the smallest unit of an element,consisting of dense,positively charged nucleus surrounded by a system of electrons. ]]> 2016-11-01 15:21:53 UTC https://padlet.com/490227/77tgxzd6at52/wish/134513577 490227 https://padlet.com/490227/77tgxzd6at52/wish/134516489 2016-11-01 15:28:28 UTC https://padlet.com/490227/77tgxzd6at52/wish/134516489 490227 https://padlet.com/490227/77tgxzd6at52/wish/134517258 2016-11-01 15:30:02 UTC https://padlet.com/490227/77tgxzd6at52/wish/134517258 490227 https://padlet.com/490227/77tgxzd6at52/wish/134517369 2016-11-01 15:30:15 UTC https://padlet.com/490227/77tgxzd6at52/wish/134517369 Greek philosopher Democritus was the first to attempt to explain color which he thought was due to the position. Later he discovered that the color white is caused by atoms that are smooth and flat. 490227 https://padlet.com/490227/77tgxzd6at52/wish/134797990 2016-11-02 14:47:03 UTC https://padlet.com/490227/77tgxzd6at52/wish/134797990 490227 https://padlet.com/490227/77tgxzd6at52/wish/134803178 2016-11-02 14:59:13 UTC https://padlet.com/490227/77tgxzd6at52/wish/134803178