Multiple choice

The element with the highest electron affinity is

When an atom gains electron, energy is given off and this energy is known as electron affinity for that particular atom or molecule. Electron affinity is defined as the energy released when an electron is added to a gaseous atom or ion. 

T + e- =  T-

Cl + e--= Cl1- 

(Ne)3s23p5------>(Ne)3s23p6

 

                                        

 

                                       

 

                                        



 

 

 

 

 

 

 

  1. 11Na23

  2. 12Mg24

  3. 14Si28

  4. 17Cl35

  5. 18Ar36
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Electron affinity - 349 kJ/mole

 

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