The Bohr model of the atom proposed the existence of?
A
the nucleus
B
electron shells
C
nucleons
D
neutrons
Verified Correct Answer: B.
Chemical Principles & Mechanism
Bohr Model is a planetary model in which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets .
Source: WAEC / JAMB / NECO Classroom Archive (Record #62092)