Answer:
The calcium concentration must be greater outside the cell than inside the cell.
Explanation:
My previous answer was deleted from the explanation I provided from another website.
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Ions are formed when atoms lose or gain electrons in order to fulfill the octet rule and have fuller valence electron shells.
<span>Ionic change’ is the closest answer - electric currents are conducted by ions in some substances, though not metal. The filament - metal wire - in an incandescent lightbulb glows with visible light because it is heated to a very high temperature by an electric current being passed through it. It is not a physical change because this generally involves change from one state to another — for example, solid to liquid. Chemical changes usually result from chemical reactions. </span>
