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What is the difference between electrical force and chemical force over a membrane?

April 26, 2017Biology chemical difference electrical force Mathematics membrane

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What is the difference between electrical force and chemical force over a membrane?

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I think that a chemical force would be due to differences in the concentration of a molecule on either side of the membrane, whereas an electrical force would be a difference due to different charges on either side of the membrane. So there might be more Na+ on one side of the membrane than the other, which is a chemical force, but at the same time one side of the membrane is more positive than the other (due to the + charge of the Na+), creating an electrical force.