Chemistry-
General
Easy

Question

Of the following iso-electronic ions, the one which has the lowest ionisation potential is

  1. N a to the power of plus end exponent  
  2. M g to the power of plus plus end exponent  
  3. F to the power of minus end exponent  
  4. O to the power of negative negative end exponent  

The correct answer is: N a to the power of plus end exponent

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