-
everything is composed of atoms
by imaging the sign of the first atom -
ideal geometric forms serve as atoms -
discovered the electron
all matter is type of particle smaller than atom -
law of conservation
father of chemistry -
-Treated other ores and metals to make gold
-created a scientific theory that eventually discovered the atom -
contributed to development of corpusculums. -
-English chemist and physicist who proposed first modern atomic theory -
equal volumes of gases under the same conditions of tempeture and pressure -
made first periodic table
discovered elements not yet found -
conducted research or radiology
discovered polonium and radium -
mathematically proved the existence of atoms and their random, ceasless motion -
figured out charge of the electron -
a pioneering researcher in both atomic and nuclear physics -
-Atomic theory states that an atom is like a planetary model where electrons were situated in discreetly energized orbits -
discovered atomic numbers of each element -
discovered the neutron