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.
Symptoms can be different depending on how low your blood sugar level drops. 1  Mild hypoglycemia can make you feel hungry or like you want to vomit. 2  You could also feel jittery or nervous. 3  Your heart may beat fast. 4  You may sweat. 5  Or your skin might turn cold and clammy.