(BRAINLIEST ANSWER GUARANTEED) Write the chemical formula for the following compound

Answer:
HNO3
Explanation:
Try looking up on the internet-
"Science compound creator" and plug in the compounds it gives, and it will give you a formula.
Answer:
Explanation:
Formula for Ionic Compounds. Potassium oxide in the previous example is written as K2O. Calcium hydroxide is written as Ca (OH)2, since there are two hydroxide ions (a polyatomic ion composed of hydrogen and oxygen with a charge of -1) for every one calcium ion