Effective Nuclear Charge Calculator
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Effective Nuclear Charge (Zeff)
Calculation Details
| Parameter | Value |
|---|---|
| Atomic Number (Z) | – |
| Shielding Constant (σ) | – |
| Valence Electrons | – |
| Zeff = Z – σ | – |
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How It Works
Show Explanation
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The effective nuclear charge (Zeff) is the net positive charge experienced by an electron in a multi-electron atom. It accounts for the shielding effect of inner electrons.
Zeff = Z – σ
Where:
- Z is the atomic number (number of protons)
- σ is the shielding constant (number of inner electrons shielding the valence electrons)
This calculator uses Slater’s rules to estimate the shielding constant when electron configuration is provided, or you can enter it directly.
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