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If two elements X and Z with electronic configurations 2,8.3 and2,8,6 respectively combine, the compound...

Chemistry
NECO 2008
If two elements X and Z with electronic configurations 2,8.3 and2,8,6 respectively combine, the compound formed will have the formula
  • A. XZ
  • B. XZ2
  • C. X2Z
  • D. X2Z3
  • E. X3Z2
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Correct Answer: Option D
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