Said matter is made of small indestructible units called atoms.
Thought of this in his mind - no data to back this up.
Said matter is continuous: there is no smallest particle of matter.
Matter can be divided without limit
All matter consists of tiny particles.
Atoms are indestructible and unchangeable.
Elements are characterized by the mass of their atoms.(incorrect)
When elements react, their atoms combine in simple, whole number ratios.(incorrect)
In a chemical reaction: atoms are separated, combined, or rearranged.
Electrons have a negative charge.
Created the plum pudding model
J.J. Thomson's Model
Showed matter containing evenly distributed positive charge with electrons distributed out.
Gold foil experiment
Alpha particles were aimed at gold foil.
Zinc Sulfide around gold flashed when alpha particle hit.
discovered the neutron.
discovered that the # of protons could define that element.
# of protons is = to the atomic number