Which mistake did Maria make on her diagram?

Question

A
The protons should be circling the nucleus, not the neutrons.
B
The neutrons should be circling the nucleus, not the protons.
C
The nucleus should have electrons and neutrons, not neutrons and protons.
D
The nucleus should have protons and neutrons, not protons and electrons.

Answer 1

B
The neutrons should be circling the nucleus, not the protons.