Frequently Asked Question

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Using Slater’s Rules, the effective nuclear charge for a valence electron for CO2+ is?

Accepted Answer

CO2+ has 16 electrons. Using Slater's Rules, the effective nuclear charge for a valence electron (oxygen) is calculated as follows:

Oxygen:

Core electrons: 2 (from the 1s orbital)

Other valence electrons: 5 (from the other oxygen and the carbon)

Effective nuclear charge (Zeff): Z - S = 8 - (2 x 0.35 + 5 x 0.85) = 4.05


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