INFORMATION:
We have the following ionic compound:
- potassium nitrate
And we must write its formula
STEP BY STEP EXPLANATION:
First, we need to look on the periodic table potassium.
We can see that potassium is represented by K.
Then, using the table for polyatomic ions, we can see that nitrate is NO3.
Finally, the formula for the ionic compound would be
ANSWER: