460 b.C.
400b.C.
460 b.C.
ambot ? nangutana gne ko
Werner Heisenberg is considered the creator of quantum mechanics in 1925.
The first atomic model was proposed by the Greek philosopher Democritus in 442 BC.
Approx. 400 years BCE; but now Leucippus is considered the founder of atomism.
in the year 2018
1955
what year was the democritus model made?
in 1905
Copernicus discovered the heliocentric theory in 1510 and worked on it for four more years.
It was in 1913.