Resting membrane potential Net negative Net positive Charge Charge 圆 Electric Force K+±K+ Chemical force InsideOutside Potassium ions. concentrated inside the cell tend to move outward down their concentration gradient through nongated potassium channels But the relative excess of negative charge inside the membrane tend to push potassium ions out of the cell14 Resting Membrane Potential ➢ Potassium ions, concentrated inside the cell tend to move outward down their concentration gradient through nongated potassium channels ➢ But the relative excess of negative charge inside the membrane tend to push potassium ions out of the cell