The Atomic History Timeline
Category: Other
Updated: 9 Nov 2018
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Created byEvo Morales
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eventDemocritus
he proposed that all mater including space and time was made up of small units named atomsDalton
agreed that all matter was created by atoms which he believed were indestructible.Mendeleev
created the periodic table of elemets which organizes elements according to their similaritiesEugene G oldstein
Discovered possitive particlesHenri Becqurel
discovered radioactivity which earned him a nobel prizeJ.J Thomson
Discuvered the electronErnest Rutherford
used the gold foil experiment to discover the modern of an atomMillikan
Used an oil rop experiment to etermine the charge of a single electronNeils Bohr
explained that outer orbits in an atom could hold more electrons than the inner orbitsfrederick Soddy
came up with the concept of isotopesHeisenberg
Thougt of the uncertainty proincipleChadwick
discovered the neutron
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