chemistry

55
25Mn can be prepared by electron capture from:
(a) 55/24Cr
(b) 55/26Fe
(c) 56/25Mn
(d) 51/23V
(e) 56/26Fe

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  1. wouldn't it take 25 protons and one electron to make 24 protons?

  2. so the answer is A?

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    2. 👎 0
  3. b

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