
Concept explainers
Interpretation:
The formation of sulfur ions needs to be explained.
Concept introduction:
The electronic configuration of atomic species is followed by set of rules defined by Aufbau’s principle, Hund’s Rule, Pauli-Exclusion principle. Each orbital is occupied by two electrons of opposite spins. As per Aufbau’s principle, electrons will occupy orbital in order of increasing energy. According to Hund’s Rule, orbitals of same energy will be filled with one electron each having the same spin.

Answer to Problem 51A
Sulfur can take up two electrons to become an octet.
Explanation of Solution
Given that the orbital notation of sulfur is given as
Figure 1
From the orbital notation, it can be seen that the 3p orbital has vacancy for two electrons. In other words, it can take in two electrons. To get an octet configuration, elements generally give up or take in electrons to get a stable configuration. If sulfur take up electrons, it will achieve octet configuration and become stable.
Hence, sulfur will take up two electrons to form a stable configuration.
Sulfur can take up two electrons to become an octet.
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