How does a sodium atom change into a sodium ion


Asked by admin @ in Biology viewed by 340 People


Show a diagram of how ions are formed when a sodium atom comes into close

contact with a chlorine atom.​

Answered by admin @



When sodium atom comes close proximity to a chlorine atom it looses an electron to form Na^+ while chlorine atom gains an electron to form Cl^-.

An ionic compound is formed when electron(s) is/are transferred from a metal to a non metal. This leads to the formation of a cation (positively charged ion) and an anion (negatively charged ion). The both are kept together by electrostatic interaction between the ions involved to give an ion pair.

Sodium and chlorine form the ionic compound sodium chloride. The compound is formed when a sodium atom approaches a chlorine atom and looses its outermost electron to chlorine as shown in the image attached to this answer. When this occurs, sodium ions and chloride ions are formed as shown.

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