Question: The notation for a particular nucleus is ? 3 7 8 5 R b . In an electrically neutral atom, how many electrons are in

The notation for a particular nucleus is ?3785Rb. In an electrically neutral atom, how many electrons are in orbit about this nucleus?
37
85-37=48
The number of electrons cannot be determined.
85
37+85=122
The notation for a particular nucleus is ? 3 7 8

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