a student made the lewis dot diagram of a compound shown. What is the error in the Lewis dot diagram?

a)An O atom should transfer all of its six electrons to Mg because the formula is MgO

b) both electrons of Mg Should be transferred to one O Adam because the formula is MgO

c) The electrons should be transferred from each O add him to capital Mg because Mg has fewer electrons

d) The number of dots around Mg should be four because it has to transfer two electrons to each O

Question

akanebeardow akanebeardow

21-06-2019
Chemistry

contestada

a student made the lewis dot diagram of a compound shown. What is the error in the Lewis dot diagram?

a)An O atom should transfer all of its six electrons to Mg because the formula is MgO

b) both electrons of Mg Should be transferred to one O Adam because the formula is MgO

c) The electrons should be transferred from each O add him to capital Mg because Mg has fewer electrons

d) The number of dots around Mg should be four because it has to transfer two electrons to each O

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smmwaite smmwaite · Answer 1 · 2019-06-21T18:35:35+02:00

Answer:

B. Both electrons of Mg should be transferred to one O.

Explanation:

Metals react by loosing electrons while non metals react by gaining electrons.

Reactions occur as each element strives to attain an octet electron configuration in the outer energy level.

It is easier for magnesium to loose 2 electrons than to gain six because loosing the two requires less energy.

Oxygen on the other hand reacts by gaining the two electrons lost by magnesium since it is easier to gain the two than to loose the six. Gaining the two electrons for oxygen requires less energy than loosing the six.

In summary, magnesium looses two electrons that are transferred to oxygen.