Interpretation:
The principles that should be followed during writing electron configuration notation for an atom needs to be explained.
Concept introduction:
The electron configuration of an atom represents the arrangement of electrons in orbital and sub shells.
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Answer to Problem 82A
Principles for electron configuration notations are:
- The Aufbau Principle
- Hund rule
- Pauli Exclusion Principle
Explanation of Solution
Principles for electron configuration notations are:
- Aufbau Principle states that in the ground state electrons of an atom fill the orbital with lowest energy first and upcoming electrons are filled in the order of increasing their energies.
- Hund's rule states that pairing of electrons do not occurs until each and every orbital in a sub shell is singly filled with electrons having same spin.
- Pauli Exclusion Principle states that in an atom no two electrons present in a same orbital having same spin.
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