The following arrangement of elements in order of decreasing number of outer electrons; One of…

Chemistry JAMB 1980

The following arrangement of elements in order of decreasing number of outer electrons; One of the elements is wrongly placed. Which is it? ALUMINIUM, CHLORINE, SILICON, MAGNESIUM AND SODIUM.

  • chlorine
  • aluminium checkmark
  • silicon
  • magnesium
  • sodium

The correct answer is: B

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