Answer
$a) CaCl_{2}$
$b) NiI_{2}$
$c) MnO$
$d) Zn_{3}N_{2}$
Work Step by Step
$a) Ca^{2+} Cl^{-} = CaCl_{2}$
$b) Ni^{2+} I^{-} = NiI_{2}$
$c) Mn^{2+} O^{2-} = MnO$
$d) Zn^{2+} N^{3-} = Zn_{3}N_{2}$
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.