Question

who is the scientist who proposed the \solar system\ model of an atom where the electrons revolve around the nucleus? dalton democritus niels bohr ernest rutherford

Explanation:

Niels Bohr proposed the "solar - system" model of an atom where electrons revolve around the nucleus. Dalton is known for his atomic theory, Democritus was an ancient philosopher who proposed the concept of atoms, and Ernest Rutherford is known for the Rutherford model which laid the groundwork but Bohr's model added the quantization of electron orbits.

Answer:

C. Niels Bohr