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February 28, 2015

Homework Help: SCIENCE/CHEM

Posted by Andy on Wednesday, May 12, 2010 at 9:06pm.

Bromine exists as a mix of bromine 79 and bromine 81 isotopes. an atom of bromine 79 contains:

35 prot.44.neutr.35 electrons
35 prot.and 35 electrons only
44 prot.44 elect and 35 neutr.
35 prot.79 neutr. and 35 electrons
79 protons 79 electrons and 35 neutr.
which is correct please thanks Andy

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