Final answer:
The correct formula for lithium chromate is Li₂CrO₄.
Step-by-step explanation:
The correct formula for lithium chromate is Li₂CrO₄.
In order to determine the formula, we need to balance the charges of the ions.
The charge of the lithium ion (Li⁺) is +1 and the charge of the chromate ion (CrO₄²⁻) is -2.
To balance the charges, we need two lithium ions, each with a charge of +1, to cancel out the -2 charge of the chromate ion.
This gives us the formula Li₂CrO₄.