Write the formulas for phosphorus (5) and silicon (4) chlorides; lithium hydride, iron sulfide (2), magnesium nitride.

Substance formulas:
Phosphorus (V) chloride – PCl₅,
Silicon (IV) chloride – SiCl₄,
Lithium hydride – LiH,
Iron (II) sulfide – FeS,
Magnesium nitride – Mg₃N₂.



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