Which equation correctly represents the electron affinity of calcium?
A、Ca (g) + e- → Ca- (g)
B、Ca (g) → Ca+ (g) + e-
C、Ca (g) → Ca- (g) + e-
D、Ca- (g) → Ca (g) + e-
E、Ca+ (g) + e- → Ca (g)
发布时间：2025-01-31 13:21:06
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答案：Ca (g) + e- → Ca- (g)
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