Question: The notation for a particular nucleus is 85 37 Rb. In an electrically neutral atom, how many electrons are in orbit about this nucleus? (a)

The notation for a particular nucleus is 8537Rb. In an electrically neutral atom, how many electrons are in orbit about this nucleus?

(a) 37 + 85 = 122

(b) 85

(c) 37

(d) 85 − 37 = 48

(e) The number of electrons cannot be determined from the notation.

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