Flashcards in chem Deck (11)
Used the cathode ray tube to support his findings.
Had no evidence to support an atom’s existence.
Atoms combine in whole number ratios.
Chemical reactions occur when atoms separate, join, or rearrange.
Discovered the electron
Said that atoms of the same element are identical, but the atoms of one element are different than those of another.
Used the gold foil experiment to discover the nucleus.
Said that the atom was mostly empty space.
Discovered the proton.
Provided evidence supporting the existence of atoms.