https://padlet.com/seanquigley2/ayj4dk690wxdpcys en-us 2025-03-24 10:03:56 UTC 2025-03-24 10:33:27 UTC hello@padlet.com seanquigley2 https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379282312 Brandt discovers Phosphurous by evaporating urine and heating the residue.

]]> 2025-03-24 10:11:12 UTC https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379282312 seanquigley2 https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379287585 1829 - Dobereiner discovers Halogen Triads

]]> 2025-03-24 10:15:36 UTC https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379287585 seanquigley2 https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379292189 A.E. Beguyer de Chancourtois creates the first Periodic table of elements by arranging substances in order of atomic weight.

]]> 2025-03-24 10:19:09 UTC https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379292189 seanquigley2 https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379299322 1864 - Newlands publishes his version based on the Law of Octaves

]]> 2025-03-24 10:24:24 UTC https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379299322 seanquigley2 https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379303561 1869- Dmitri Mendeleev publishes his version of the periodic table becoming the "father of the periodic table"

]]> 2025-03-24 10:27:59 UTC https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379303561 seanquigley2 https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379309617 1911 - Earnest Rutherford publishes studies of the scattering of Alpha particles by heavy atom nuclei

]]> 2025-03-24 10:33:26 UTC https://padlet.com/seanquigley2/ayj4dk690wxdpcys/wish/3379309617