Metals lose electrons under certain conditions to attain a noble-gas electron configuration. how many electrons must be lost by the element mg?

Explanation:

It is known that metals are the species which easily lose an electron to acquire stability.

For example, atomic number of magnesium is 12 and its electronic distribution is 2, 8, 2.

Hence, in order to attain stability it will readily lose two electrons. As a result, it will form ions.

Thus, we can conclude that 2 electrons must be lost by the element Mg.

vanderwaal's forces of attraction are the electrostatic intermolecular forces that exist in a molecule due to the temporary or permanent dipoles that are developed in a molecule. in , the major intermolecular forces are dipole-dipole interactions as the molecule is polar (bent structure). so the vanderwaal's forces of interaction in between molecules are the permanent dipole-dipole interactions that develop due to the dipole that exists in between the polar h - s bond. the positively charged hydrogen atom is attracted towards the negative end of the dipole that is sulfur of the adjacent molecule. therefore, these forces of attraction are relatively stronger than that of london dispersion forces that exist in non polar molecules.

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