Question

give the name of this ionic compound. al₂(cr₂o7)₃

Explanation:

Step1: Identify cation

The cation is aluminum ($Al^{3 + }$).

Step2: Identify anion

The anion is dichromate ($Cr_2O_7^{2 - }$).

Step3: Name the compound

Name the cation first followed by the anion.

Answer:

Aluminum dichromate