(a)
Interpretation: Different orbital diagrams representing different electronic configurations are given. Various questions based on the given diagrams are to be answered.
Concept introduction: Electronic configuration determines the electron distribution in an atom or a molecule. The entire periodic table is based upon the distribution of electrons in the atom. When the electron gets jumped to higher energy level or orbital after absorption of energy then it is called its excited state. The ground state corresponds to lowest energy state.
To determine: The orbital diagram that represents the ground state of an Oxygen cation.
(b)
To determine: The orbital diagram that represents the excited state of Nitrogen atom.
(c)
To determine: The orbital diagram that shows the violation of Hund’s rule.

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Chapter 7 Solutions
EBK CHEMISTRY: THE SCIENCE IN CONTEXT,
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