I hate chemistry so bad

it's awful

theory of classical elements

aristoteles

everything is compused of atoms

Leucippus, Democritus

law of conservation of mas

Mikhail Vesilyevich Lomonosov

experiment about the law of conservation of mas

named oxygen and hydrogen

Antoine Lavoisier

elements made of atoms, particular element consists of same atoms, atoms can’t disapear, groups of atoms-compounds, atoms join, separate or rearrange

John Dalton

invented Polarography-electroanalytical method, nobel prize

Jaroslav Heyrovský

first table of elements, predicted not yet discovered elements

Dmitri Ivanovich Mendeleev

discovered radioactivity

Antoine Henri Becquerel

studied radioactivity, discovered radium and polonium

Marie Sk.l.adowska-Curie

discovered protons, atoms nucleus,

gold foil experiment

Ernest Rutherford

contact lenses

Otto Wichterle