Chemistry, 22.05.2020 12:58 bridgetosanders

Which half-reaction correctly represents reduction?
OA) Ca2+ - Ca + 2e-
OB) Ca2+ + 2e-
Ca
O C)2 F- + 2e- - F2
OD) 2F- - F2 + 2e-

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Which half-reaction correctly represents reduction?
OA) Ca2+ - Ca + 2e-
OB) Ca2+ + 2e-