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How many electrons are in the outer shell of magnesium in the compound magnesium chloride (MgCl2)?Group of answer choices826

Question
 

How many electrons are in the outer shell of magnesium in the compound magnesium chloride (MgCl2)?

Group of answer choices
8
2
6
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Step 1

In magnesium chloride (MgCl2), magnesium will be in Mg2+ state as it transfers 1 of its electrons to 2 Cl atoms to form the compound.

Magnesium, Mg has 12 electrons in total and thus Mg2+ will have 2 less electrons, that is, 10 electrons.

Step 2

Let us draw the electron shell diagram of Mg2+

In filling of electron shells, the first shell can have a maximum of 2 electrons, the second shell can have a maximum of 8 electrons ...

2+
Mg
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2+ Mg

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Chemistry

Atomic structure

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