Question

What was the revolution in atomic theory produced by the discovery of the electron?

The atom was divisible.
The atom was comprised of particles.
The atom was one unit.
Each atom was unique.

Answer 1

The atom was divisible.

Answer 2

The answer to this problem is the second item in the choices which is "The atom was comprised of particles". This atomic theory also proves that atoms cannot be destroyed nor created and it composed of many particles. It is also said that atoms of the same elements can be identical.