The Atomic Theory by Yo Yo https://padlet.com/yahusain723/bkf78ryphlyg By: Ali Abid, Period 5 en-us 2015-03-18 01:47:36 UTC 2025-09-27 19:35:00 UTC hello@padlet.com http://www.tt.net/atomic/gifs/logo.gif D. Aristotle (384-322 BCE yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840179 - Greek philosopher and scientist

- Spent life teaching, writing, and studying

- Classified animals based on their characteristics

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840179 F. Erwin Schrodinger yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840180 - Electron Cloud: The electrons were put set in wave patterns around nucleus

- Made an electron cloud model

- Wave Mechanics: Even though electrons are normal particles, they act as waves

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840180 F yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840181 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840181 E. Wolfgang Pauli (1900-1958) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840182 - Governed the arrangement and existence of electrons

- Said that a maximum of two electrons can occupy a specific energy level

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840182 B. J.J. Thompson (1856-1940) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840183 - Determined that electrons made up an atom

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840183 A. John Dalton (1766-1844) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840184 - Stated that all of matter is made of small particles called atoms

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840184 3. 19th Century yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840185 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840185 A. Ernest Rutherford (1871-1937) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840186 - Known as Father of Nuclear Physics

- Considered greatest experimentalist

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840186 C. James Chadwick (1891-1974) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840187 - Discovered third atomic component, neutrons, in 1932

- Nucleus thought to have protons and neutrons

- Before 1932, atoms were thought to have a positively charged surrounding with negative electrons

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840187 4. 20th Century yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840188 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840188 D. Werner Heisenberg(1901-1976) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840189 - In 1927, the uncertainty principle can't know the exact location of electrons or how fast it is going

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840189 B. Niehls Bohr (1885-1962) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840190 - Electrons can only occupy well-defined orbits to fixed energy levels

- Each shell can't accommodate than a certain level

- Electrons must exist in fixed arrangements

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840190 A. Robert Boyle (1627-1691) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840191 - Referred as the Father of Chemistry

- Did physical experiments to study gases and proposed that elements are made of corpuscles that organize different chemical substance groups.

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840191 2. 17th & 18th Century yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840192 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840192 1. Greeks (Elementalist v. Atomists) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840193 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840193 D. Democritus (460-370 BCE) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840194 - Adopted atomic theory from his mentor, Leucippus.

- Atoms are solid and indestructible, but invisible

- Created first atomic model

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840194 C. Leucippus (490-?) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840195 - Father of Atoms

- Only two things exist in the universe: the atom and void

- Atoms are too small to be seen

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840195 B. Empedocles (495-435 BCE) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840196 - He was the first to propose Earth, Air, Fire, and Water as the primary elements of life

- Held together by moral forces: love and strife

- Earth. Air, Fire, and Water combine to make new substances

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840196 A. Thales of Miletus (640-546 BCE) yahusain723 https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840197 - Water is the primary form of matter

- Everything is made of matter

]]> 2015-03-18 01:47:36 UTC https://padlet.com/yahusain723/bkf78ryphlyg/wish/53840197