* Sodium (Na): Sodium has one electron in its outermost shell. It readily loses this electron to achieve a stable, full outer shell. This makes it a positively charged ion (Na+).
* Chlorine (Cl): Chlorine has seven electrons in its outermost shell. It needs one more electron to complete its outer shell and achieve stability. It readily gains an electron, becoming a negatively charged ion (Cl-).
The Transfer:
* The single electron from the sodium atom is transferred to the chlorine atom. This transfer is driven by the desire for both atoms to achieve a stable electron configuration.
The Result:
* The resulting ions, Na+ and Cl-, are now attracted to each other due to their opposite charges. This electrostatic attraction forms an ionic bond, creating the compound sodium chloride (NaCl), commonly known as table salt.
Key Points:
* Ionic Bonding: This type of bond occurs when one atom loses electrons and another atom gains electrons, leading to the formation of oppositely charged ions.
* Octet Rule: Atoms tend to gain, lose, or share electrons to achieve a stable electron configuration with eight electrons in their outermost shell.
* Electrostatic Attraction: The opposite charges of the ions are the driving force behind the formation of the ionic bond.
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