State zeff's rule......
Answers
Answer:
The general principle behind Slater's Rule is that the actual charge felt by an electron is equal to what you'd expect the charge to be from a certain number of protons, but minus a certain amount of charge from other electrons.
Answer:
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Explanation:
In quantum chemistry, Slater's rules provide numerical values for the effective nuclear charge concept. In a many-electron atom, each electron is said to experience less than the actual nuclear charge owing to shielding or screening by the other electrons. For each electron in an atom, Slater's rules provide a value for the screening constant, denoted by s, S, or σ, which relates the effective and actual nuclear charges as -
{\displaystyle Z_{\mathrm {eff} }=Z-s.\,} Z_{\mathrm{eff}}= Z - s.\,
The rules were devised semi-empirically by John C. Slater and published in 1930.[1]
Revised values of screening constants based on computations of atomic structure by the Hartree–Fock method were obtained by Enrico Clementi et al in the 1960