Whether 2 s or 2 p electrons in carbon atom experience a higher effective nuclear charge or not has to be explained. Concept Introduction: If the atom or ion contains more than one electron then subshells with the same shell have a different energy. This is due to the attraction in opposite sign occurs when electron gets closer to nucleus. This attraction force at a distance of r reduces because of shielding. Shielding occurs when repulsive forces from electrons reduce the attraction between nucleus and electron. The net force of attraction of nucleus for an electron is known as effective nuclear charge ( Z eff ) .

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Chapter 7, Problem 7.9QE

Interpretation Introduction

Interpretation:

Whether 2s or 2p electrons in carbon atom experience a higher effective nuclear charge or not has to be explained.

Concept Introduction:

If the atom or ion contains more than one electron then subshells with the same shell have a different energy. This is due to the attraction in opposite sign occurs when electron gets closer to nucleus. This attraction force at a distance of r reduces because of shielding. Shielding occurs when repulsive forces from electrons reduce the attraction between nucleus and electron. The net force of attraction of nucleus for an electron is known as effective nuclear charge (Zeff).

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