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What is the electroniconfiguration of an element in its first excited state which is isoelectroniwithO2

Chemistry-General

  1. [Ne]3s23p33d1    
  2. [Ne]3s13p33d2    
  3. [Ne]3s1 3p5    
  4. [Ne]3s2 3p4    

    Answer:The correct answer is: [Ne]3s23p33d1

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