
Interpretation:
The ground-state electron configuration for the following ion should be determined:
Ni2+
Concept introduction: Electronic configuration represents the arrangement of electrons in different orbitals following the rules of filling of electrons in the atomic orbitals such as s orbital can have maximum of two electrons, p orbital can have maximum of 6 electrons and the maximum number of electrons in d and f orbitals are 10 and 14 respectively.
All the suborbital can have maximum of 2 electrons with opposite spins.

Answer to Problem 6.1P
Solution:
Explanation of Solution
The cation Ni2+ is formed when parent atom Ni loses two electrons. Ni has an
Nickel loses its two 4s electrons to give Ni2+ with the Nickel configuration as follows:
(c)
Interpretation:
The ground-state electron configuration for the following ion should be determined:
N3-
Concept introduction: Electronic configuration represents the arrangement of electrons in different orbitals following the rules of filling of electrons in the atomic orbitals such as s orbital can have maximum of two electrons, p orbital can have maximum of 6 electrons and the maximum number of electrons in d and f orbitals are 10 and 14 respectively.
All the suborbital can have maximum of 2 electrons with opposite spins.

Answer to Problem 6.1P
Solution:
Explanation of Solution
The anion N3- is formed when parent atom nitrogen gains three electrons. N has an atomic number 7, that is, N atom has 7 electrons. The electrons configuration of N is as follows:
Nitrogen gains 3 electrons to give N3- with the configuration as follows:
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Chapter 6 Solutions
Chemistry (7th Edition)
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