Detailed explanation and options for the selected question.
Which scientist is credited with proposing the electron shell model of the atom, forming the basis of quantum mechanics?
A.
Niels Bohr
B.
Ernest Rutherford
C.
Max Planck
D.
Erwin Schrödinger
Explanation:
Niels Bohr introduced the Bohr model with quantized electron orbits. Rutherford discovered the nucleus, Planck started quantum theory, Schrödinger wave mechanics.
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