Question

in 1803, the english chemist john dalton formulated an atomic theory below. daltons atomic theory 1. all matter is made up of atoms. 2. all elements are made up of tiny indivisible particles called atoms. 3. all atoms of one element are exactly alike, but are different from atoms of different elements. in 1897, j. j. thomson showed that a cathode ray was deflected by charged plates proving that the rays were made of particles carrying a negative charge. because of this, thomson is credited with the discovery of the electron. based on this information, which part of daltons atomic theory conflicted with thomsons new data? o 1 o 2 o 3

Explanation:

Dalton's theory stated atoms were indivisible. Thomson's discovery of the electron showed atoms were made of smaller particles, contradicting the idea of atoms being indivisible.

Answer:

2