Chemistry — History of the Periodic Table
From triads to a completed seventh period.
Make it your own.
title "History of the periodic table"
axis 1800 2025
lane "Milestones"
event 1803 "Dalton's atoms"
event 1829 "Doebereiner's triads"
event 1864 "Newlands' octaves"
event 1869 "Mendeleev's table"
event 1913 "Moseley: atomic number"
event 1940 "Transuranium elements"
event 2016 "Period 7 completed"