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Explain by Drawing a Figure of the Electronic Configuration. Formation of Sodium Chloride from Sodium and Chlorine. - Science and Technology

Answer in Brief

Explain by drawing a figure of the electronic configuration. 

Formation of sodium chloride from sodium and chlorine. 

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Solution

Atomic number of Sodium(Na) atom is 11.
Electronic configuration is :
Na = 2, 8, 1
So it contains 1 valence electron. In order to achieve the nearest noble gas configuration, it loses one electron to form Sodium ion.
Na= 2,8

Atomic number of Chlorine(Cl) atom is 17.
Electronic configuration is :
Cl = 2, 8, 7
So it contains 7 valence electron. In order to achieve the nearest noble gas configuration, it gains one electron to form Chloride ion.
Cl= 2,8

An Ionic bond is formed between sodium ion and chloride ion by complete transfer of electron from sodium to chlorine.

Concept: Salts
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APPEARS IN

Balbharati Science and Technology 9th Standard Maharashtra State Board
Chapter 5 Acids, Bases and Salts
Exercise | Q 4.1 | Page 73
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