Answer
$Ni^{+3}$
Work Step by Step
Here sulfur has -2 charge and there are three atoms of Sulfur. So charge on 2 atoms of Nickel must be +3 each to balance the -6 charge of 3 Sulfur atoms.
You need to log in to continue
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.