Which of the following element is formed as a result of transfer of one valence electron?

Sodium chloride

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Calcium oxide

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Magnesium chloride

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All of the above

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Solution

The correct option is A Sodium chloride
Sodium has a total of 11 electrons and Chlorine has 17 electrons. From the outermost shell of sodium 1 electron can transfer to the chlorine atom to obtain octet rule.

Hence, Sodium chloride ( NaCl ) is formed as a result of the transfer of one valence electron.

So, the correct option is $A$

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Similar questions

N a C l

C a O

Name or state the following :

(a) An element having valency zero.

(b) Metal with valency one.

(d) Elements having same mass number but different atomic number.

(e) Bond formed by transfer of electron(s).

(f) Ion formed by gain of electron(s).

_{26}^{120} Y

3 β^{+}

2 β^{-}

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