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Explain how the element sodium is monovalent. - Science and Technology

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Explain how the element sodium is monovalent.

Explain the monovalency of the element sodium.

Short Note

Solution

“The number of electrons that an atom of an element gives away or takes up while forming an ionic bond is called the valency of that element.” Sodium has an electrical configuration of 2,8,1. Na's outermost orbit has only one electron. A sodium ion is generated when a sodium atom gives one electron to an atom of another element. As a result, sodium has a valency of one, making it monovalent. After the electrons have been exchanged, the electronic arrangement of the resultant ions is an octet.

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Chapter 4: Measurement of Matter - Exercise [Page 57]

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Balbharati Science and Technology [English] 9 Standard Maharashtra State Board
Chapter 4 Measurement of Matter
Exercise | Q 4. a. | Page 57
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