Atomic Theory Timeline by Aryanna Agron https://padlet.com/agronaryanna/19b3kxf20wpj300q Aryanna Agron en-us 2020-09-21 16:13:20 UTC 2025-11-16 17:49:22 UTC hello@padlet.com The image above is the Atomic Model that Democritus proposed. agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764909181 (Image from Reading #2)]]> 2020-09-21 16:15:55 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764909181 The image above is the Atomic Model that John Dalton proposed. agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764915303 (Image from Reading #2)]]> 2020-09-21 16:17:12 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764915303 Thomson's Atomic Model (Plum Pudding Model) agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764920495 The model of the atom JJ Thomson proposed is known as The Plum Pudding Model, stating that "atoms contain negatively charged electrons embedded within a sea of positive charge." (Reading #1)

(Image from Reading #2) ]]> 2020-09-21 16:18:17 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764920495 Rutherford's Atomic Model (The Planetary Model) agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764922677 The model of the atom JJ Thomson proposed is known as The Planetary Model, where the atom acts like "a mini solar system" and "electrons orbited the nucleus in a wide orbit." (Reading #2)

(Image from Reading #2)]]> 2020-09-21 16:18:43 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764922677 Niels Bohr Atomic Model (The Rutherford-Bohr Model) agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764924351 The model of the atom Niels Bohr proposed is known as The Rutherford-Bohr Model. However, this theory did have a problem since "electrons do not travel on a specific orbit or path." (Reading #2)

(Image from Reading #2)]]> 2020-09-21 16:19:03 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764924351 Erwin Schrödinger, 1920's agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764925330 The model of the atom Erwin Schrödinger proposed is known as The Cloud Model, where electrons do not orbit. However, there is a probability of where it might be.

(Image from Reading #2)]]> 2020-09-21 16:19:14 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/764925330 The experiment that JJ Thomson used was the Cathode Ray Tube Experiment, used to discover the electron by "attracting" electrons with a positively charged plate. agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768735226 (Image from Reading #2)]]> 2020-09-22 15:46:34 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768735226 Experiment that Ernest Rutherford used: The Gold Foil Experiment agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768761649 The experiment that Ernest Rutherford used was The Gold Foil Experiment, where he "aimed a beam of positively charged particles at a thin sheet of gold foil."(Reading #2)

(Image from Reading #2)]]> 2020-09-22 15:51:18 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768761649 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768873650 (Image from Video #1)]]> 2020-09-22 16:13:04 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768873650 JJ Thomson, 1897, The experiment he used was the Cathode Ray Tube Experiment. agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768884467 (Image from Video #2)]]> 2020-09-22 16:15:07 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768884467 Ernest Rutherford, 1909, The experiment he used was The Gold Foil Experiment. agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768891908 (Image from Video #2)]]> 2020-09-22 16:16:35 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768891908 Niels Bohr, 1913 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768897500 (Image from Video #1)]]> 2020-09-22 16:17:42 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768897500 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768925234 (Image from Video #1)]]> 2020-09-22 16:23:19 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768925234 Democritus, 400 B.C. agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965074 (Image from Video #2)]]> 2020-09-22 16:31:24 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965074 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965319 (Image from Video #1)]]> 2020-09-22 16:31:27 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965319 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965411 (Image from Video #1)]]> 2020-09-22 16:31:28 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965411 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965781 (Image from Video #1)]]> 2020-09-22 16:31:32 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768965781 John Dalton, 1801 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768990525 (Image from Video #2)]]> 2020-09-22 16:36:15 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/768990525 Erwin Schrödinger, 1920's agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/769618590 (Image from Reading #2)]]> 2020-09-22 18:39:37 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/769618590 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/769632607 (Image from Reading #2)]]> 2020-09-22 18:42:51 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/769632607 agronaryanna https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/769637938 (Image from Reading #2)]]> 2020-09-22 18:44:10 UTC https://padlet.com/agronaryanna/19b3kxf20wpj300q/wish/769637938