Symbol._(35)^(79)Br and._(35)^(79) Br canbe writtenwhereassymbols ._(79)^(35)Br andarenotacceptableAnswerBriefly .

Symbol._(35)^(79)Br and._(35)^(79) Br canbe writtenwhereassymbols ._(7

1.	Symbol._(35)^(79)Br and._(35)^(79) Br canbe writtenwhereassymbols ._(79)^(35)Br andarenotacceptableAnswerBriefly .
Answer» SOLUTION :In `._(35)^(79) BR` atomicnumberis at the leftlowerportionatomicmass is at upperside. HENCE itacceptable `._(79)^(35) Br`is notaccepta blebecausemass and atomicnumberare notat properposition . `.^(35)Bt`is notacceptablebecauseit showsonlyatomicnumberatomicmass is NOTMENTION.