Question

chemical formula of pottasium oxide

Answer 1

Potassium oxide (K2O) is an ionic compound of potassium and oxygen. This pale yellow solid, the simplest oxide of potassium, is a rarely encountered, highly reactive compound. Some materials of commerce, such as fertilizers and cements, are assayed assuming the percent composition that would be equivalent to K2O.

Answer 2

potassium oxide is [K2O]  IT IS very reative in metals.