Go through the first 20 elements in the chart.  Note and record which orbital contains the additional electron.  (The various orbitals are given in the upper right area of the Table.)  The filling process is fairly straight forward to this point in the Periodic Table, but becomes a little more complex as outer orbitals are filled https://www.rsc.org/periodic-table/

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Q: What are the observed periodic trends in metallic character?

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Q: The extended electron configuration for Sulfur (S) is 1s2, 2s2, 2p6, 3s2, 3p4. A) Locate this…

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Q: what is the justification of this answer?

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Q: . Which of the following statements are TRUE with respect to the quantum mechanical model of the…

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A: As per Bartleby guidelines, tutors are allowed to answer only first question. So please repost other…