Bromine and chlorine react to form simple diatomic molecules in a 1:1 ratio, BrCl. The natural abundances of the chlorine isotopes are 75.77% 35C1, and 24.23% 37C1. The natural abundances of bromine are 50.69% 79Br and 49.31% 8¹Br. What is the mass of the least common form of BrCl? That is, which peak in the mass spectrum will have the lowest intensity? Give your answer to the nearest whole number, without units. The lowest intensity peak can be fount at

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.