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When an atom gains an electron, it becomes 

Chemistry
WAEC 1996

When an atom gains an electron, it becomes 

  • A. chemically inactive
  • B. negatively charged
  • C. oxidized
  • D. a cation
  • E. a complex ion
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Correct Answer: Option B
Explanation

When atom gains an electron, the number of electrons increases by one and it is more than number of proton. Thus, it becomes negatively charged, indicating that there are now more electrons in the atom than proton, since electrons are negatively charged.


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