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Sodium is a cation therefore it is written as Na+

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16y ago

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What is the structure of a sodium ion?

A sodium ion (Na+) is essentially a sodium atom which had been oxidized, losing one electron and gaining a positive charge. Thus, the atomic structure of a sodium ion is an atom with 11 protons in its nucleus, but only 10 electrons in its orbitals, thus explaining its positive charge.


What is an example of diffusion through ion channels?

An example of diffusion through ion channels is the movement of sodium ions (Na+) through sodium channels in neurons. These ion channels are selective for sodium ions and allow them to move down their concentration gradient across the cell membrane. This process is important for generating electrical signals in neurons.


How does the sodium-potassium ion pump function to maintain cellular balance?

The sodium-potassium ion pump is a protein in cell membranes that uses energy to move sodium ions out of the cell and potassium ions into the cell. This helps maintain the balance of these ions inside and outside the cell, which is important for proper cell function and communication.


Most common extracellular ion is what?

There are more than 2. Any molecule with a negative charge is an anion. Inside cells, these include bicarbonate, chloride, ATP, and any other molecule with phosphate groups, and amino acids having negative charge (glutamate, aspartate). So, there are a wide variety of intracellular anions.


Which molecule is chemically determined to be ionically bonded with a small number of atoms?

Sodium chloride (NaCl) is an example of a molecule that is chemically determined to be ionically bonded with a small number of atoms. It consists of one sodium ion and one chloride ion, held together by strong electrostatic forces.