The value listed for the average atomic mass of bromine is 79.909 u. it consists of two isotopes, one with a mass of 78.9183 u and one with a mass of 80.9163 u. what is the percent, by weight, of the most abundant isotope in naturally occurring bromine?

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

answer: mole of the gas

answer: mole of the gasexplanation: