Subjective Type

How do I write the Lewis structure of magnesium chloride?

Solution

$$MgCl_2$$ is an ionic compound.

The electronic configuration of Mg is $$1s^22s^22p^63s^23p^64s^2$$.

Mg can get a noble gas $$s^2p^6$$ configuration by losing its two 4s electrons and forming a magnesium ion, $$Mg^{2+}$$.

The electron configuration of Cl is $$1s^22s^22p^63s^23p^5 $$

Cl can get a noble gas $$s^2p^6$$ configuration by gaining an electron and forming a chloride ion, $$Cl^-$$.

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