Who proposed the planetary model of the atom with electrons orbiting the nucleus?
A.
Erwin Schrödinger
B.
Ernest Rutherford
C.
Niels Bohr
D.
J.J. Thomson
Correct answer is C
Niels Bohr proposed the planetary model of the atom in 1913. According to this model, electrons move in circular orbits around the positively charged nucleus, much like planets orbiting the sun. However, this model has been refined in modern quantum theory.
