Chemistry, asked by SanishsGaude, 1 year ago

I want answer of only one answer and that is : if bromine atom has two isotopes. .....

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Answered by pahiroy1221

1

Average atomic mass=55/100 * 79 + 45/100 * 81
average atomic mass= 4345/100 + 3645/100
average atomic mass= 4345+3645/100
average atomic mass= 7990/100
average atomic mass=79.90%
Therefore the average atomic mass of bromine atom= 79.9%
i hope it helps...

SanishsGaude: nice answer

pahiroy1221: thanx

SanishsGaude: today I was having exam and this question was asked for 1 mark

pahiroy1221: ohkk

SanishsGaude: I was not sure about my answer

pahiroy1221: oh ...but now i hope u r sure ...

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