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Which of the following can form Ionic bond?

Option: 1

B and Cl


Option: 2

Mg and Cl


Option: 3

Be and H


Option: 4

Si and O


Answers (1)

best_answer

Mg has two valence electrons while Cl has seven valence electrons. Hence, one Mg atom will lose two electrons which will be gained by two Cl atoms and the ionic compound MgCl2 will be formed.

Hence, the correct answer is (2)

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