If Zeff of element having atomic number 11 is 2.2, then Zeff of elements having atomic number 12 and atomic number 20 are respectively :-

(1) 2.85, 3.92

(2) 3.92, 2.85

(3) 2.2, 2.2

(4) None of the above

Concept Videos :-

#5 | Effective Nuclear Charge (Z Effective)
#6 | Application of Z Effective

Concept Questions :-

Screening Effect

Z* uf Mg = 2.85   Z* of Ca = 2.85

(Calculated by Slater's rule)

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