A sample of bromine containing isotopes bromine-79 and bromine-81 was analyses in a mass spectrometer.

Question

How many peaks corresponding to Br^+ were recorded?
A)1 B)2 C)3 D)4

How many peaks corresponding to Br2^+ Were recorded?
A)1. B)2. C)3. D)4

Answer 1

I believe you will get 2 peaks for Br^+ (one for 79Br^+ and one for 81Br^+.
ForBr2^+ I believe you will get three peaks.
79Br2^+
81Br2^+
79,81Br2^+