https://padlet.com/02401/2m2u89vai2fduqtg en-us 2021-05-12 01:20:18 UTC 2026-02-01 02:08:36 UTC hello@padlet.com 02401 https://padlet.com/02401/2m2u89vai2fduqtg/wish/1515862079 Proposed that atoms are tiny particles that make up matter. 

]]> 2021-05-12 01:26:48 UTC https://padlet.com/02401/2m2u89vai2fduqtg/wish/1515862079 02401 https://padlet.com/02401/2m2u89vai2fduqtg/wish/1515891174  Some ideas Daltons atomic theory stated were: matter is composed of atoms, atoms are invisible, indestructable, in a chemical reaction atoms are separated, combined, or rearranged, and atoms of a specific element are different from those of another. ]]> 2021-05-12 01:37:21 UTC https://padlet.com/02401/2m2u89vai2fduqtg/wish/1515891174 02401 https://padlet.com/02401/2m2u89vai2fduqtg/wish/1515914588 discovered electrons and said that negatively charged electrons are embedded inside a positively charged body or atom.]]> 2021-05-12 01:46:03 UTC https://padlet.com/02401/2m2u89vai2fduqtg/wish/1515914588 02401 https://padlet.com/02401/2m2u89vai2fduqtg/wish/1516092277 Came to the conclusion that most of the atom and ordinary matter is empty space. Found that the nucleus is made up of positively charged protons and electrically neutral neutrons. ]]> 2021-05-12 02:55:22 UTC https://padlet.com/02401/2m2u89vai2fduqtg/wish/1516092277 02401 https://padlet.com/02401/2m2u89vai2fduqtg/wish/1516111349 According to Gell-Mann protons, neutrons, and other fundamental particles were made up of quarks. ]]> 2021-05-12 03:04:05 UTC https://padlet.com/02401/2m2u89vai2fduqtg/wish/1516111349