Exercise 6 | Ionic Bonds and Compounds

Give the formula of the following compounds:


Iron(III) bromide

Chromium(III) oxide 

Copper(II) cyanide

Lead(IV) oxide 

Mercury(II) iodide

Iron(III) bromide ⇒ FeBr3

Chromium(III) oxide ⇒ Cr2O3

Copper(II) cyanide ⇒ Cu(CN)2

Lead(IV) oxide ⇒ PbO2

Mercury(II) iodide ⇒ HgI2