How to find Atomic Mass Number of Bromine?
Atomic number is given =35
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Calculate the atomic mass of bromine. The two isotopes of bromine have atomic massesand relative abundance of. 78.92 amu (50.69%) and 80.92 amu (49.31 %). Multiply the relative abundance of each isotope by its atomic mass, then add them together to get the atomic mass of the element.
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