The half-reaction 2 Br ¹^- → Br₂ + 2 e^- is balanced with respect to mass but it is not balanced with respect to charge.

Name: The half-reaction 2 Br 1 - → Br 2 + 2 e - is balanced with respect to mass but it is not balanced with respect to charge.
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The half-reaction is balanced with respect to both mass and charge, as there are two bromide ions (2 Br⁻) losing two electrons to form one bromine molecule (Br₂), maintaining charge balance.

The Half-Reaction 2 Br 1- → Br2 + 2 E-

The Half-Reaction 2 Br ¹^- → Br₂ + 2 E^-