The ion that is mainly responsible for maintaining the positive charge found in the extracellular space of a neuron at rest is ______.

Name: The ion that is mainly responsible for maintaining the positive charge found in the extracellular space of a neuron at rest is ______.
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Question

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Sodium ions (Na+) are primarily responsible for maintaining the positive charge in the extracellular space of a neuron at rest, as they are more concentrated outside the neuron compared to inside.

The Ion That Is Mainly Responsible for Maintaining the Positive