2. Once you recognize that this is a single replacement problem, determine whether the non-bonded element is a cation or anion. Then determine which element it will replace. Remember cations can only replace cations and anions can only replace anions.
If you haven't eaten for several hours and your blood sugar level drops, another hormone from your pancreas called glucagon signals your liver to break down the stored glycogen and release glucose back into your bloodstream.
How Low Can Your Blood Glucose Level Go Safely? Low blood sugar can result in weakness, confusion, headache, irritability, excessive hunger, excessive sweating or fatigue. The normal range of blood sugar is 80 - 120 mg/dL (milligrams per deciliter) in the morning (after fasting for at least 8 hours). Normally, if the level drops below 70 mg/dL, the person is said to suffer from hypoglycemia or low blood sugar levels.