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Grade: 12th pass
        
Calculate effective nuclear charge of iron for 4s electrons by using Slater's rule
one month ago

Answers : (1)

Arun
15843 Points
							
The atomic number of Fe is 26,
 and thus the nuclear charge of Fe is 26.
The electron configuration of Fe : 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ 4s²
 
 
4s orbital is in the 4th shell, and thus the inner shells including the 1st, 2nd and 3rd shells (1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶).
Number of electrons in the inner shells = 2 + 2 + 6 + 2 + 6 + 6 = 24
Effective charge of Fe for 4s electron = 26 - 24 = 2
one month ago
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