bromine has two isotopes Br,79 and Br-81
the relative atomic mass of bromine is 79.9
calculate the percentage or br 79 atoms in a sample of bromine
show all working out with all equations used and no abbreviations please
the relative atomic mass of bromine is 79.9
calculate the percentage or br 79 atoms in a sample of bromine
show all working out with all equations used and no abbreviations please