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ARC-Challenge / Mercury_400880 / What change has taken place in the following? K -> K^+

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

What change has taken place in the following? K -> K^+

choices

  • loss of a proton
  • gain of a proton
  • loss of an electron
  • gain of an electron

Discussion

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See answer Answer published by the source

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Source and history

Official source

initial import