The Story of The Atom by Ricardo Ambriz https://padlet.com/489251/swkvkvqa89q The History Of Atomic Structure en-us 2016-11-01 06:12:20 UTC 2025-11-14 23:42:18 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Brightnessdown.png Dalton's Atomic Theory 489251 https://padlet.com/489251/swkvkvqa89q/wish/134392354 1. Matter is made of atoms. They are indivisible and indestructible. 
2. All atoms of a given element are identical in mass and properties. 
3. Two or more different kinds of atoms form a compound. 
4. Chemical reactions are rearrangements of atoms]]> 2016-11-01 06:19:05 UTC https://padlet.com/489251/swkvkvqa89q/wish/134392354 The existence of an atom was fierst suggested by Democritus. 489251 https://padlet.com/489251/swkvkvqa89q/wish/134392514 2016-11-01 06:23:22 UTC https://padlet.com/489251/swkvkvqa89q/wish/134392514 The atom was confirmed as a fundamental chemical object by John Dalton. 489251 https://padlet.com/489251/swkvkvqa89q/wish/134392550 2016-11-01 06:24:12 UTC https://padlet.com/489251/swkvkvqa89q/wish/134392550 Democritus 489251 https://padlet.com/489251/swkvkvqa89q/wish/134397525 Democritus believed that if you keep cutting a particle in half, you eventually will not be able to break it down anymore. This is why philosophers named them atoms because they cant be divided.]]> 2016-11-01 07:35:20 UTC https://padlet.com/489251/swkvkvqa89q/wish/134397525 William Crookes 489251 https://padlet.com/489251/swkvkvqa89q/wish/134398389 He believed in cathode rays. His experiment that he tested is known as the cathode ray tube. Unfortunately he died before he was recognized.]]> 2016-11-01 07:41:22 UTC https://padlet.com/489251/swkvkvqa89q/wish/134398389 489251 https://padlet.com/489251/swkvkvqa89q/wish/134399297
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