Interpretation:
The difference in effective nuclear charge from the nuclear charge in beryllium atom has to be explained. Also, whether the effective nuclear charge is same for all electrons or not has to be explained.
Concept Introduction:
If the atom or ion contains more than one electron then subshells with the same shells have a different energy. This is due to the attraction in opposite sign occurs when the electron gets closer to nucleus. This attraction force at a distance of
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Chemistry: Principles and Practice
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