The average atomic mass of bromine
= (79 x 49.7)+ (81 x 50.3)/100
= (3926.3 + 4074.3)/100
= 8000.6/100
= 80 u
Question
If bromine atom is available in the form of, say, two isotopes 35๐ต๐ 79 (49.7%) and ๐ต๐ 35 81 (50.3%), calculate the average atomic mass of bromine atom.
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๐ก Some Related Questions
For the following statements, write T for โTrueโ and F for โFalseโ. (a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons. (b) A neutron is formed by an electron and a proton combining together. Therefore, it is neutral. (c) The mass of an electron is about 1/2000 times that of proton. (d) An isotope of iodine is used for making tincture iodine, which is used as a medicine.
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