Chemistry, asked by parminkhatun323, 9 months ago

why is the first ionisation enthalpy of mg higher than Al?

Answers

Answered by Anonymous

Answer:

Mg has the first ionisation enthalpy higher than that of Al due to the fulfilled s-orbital of Mg which requires higher energy to remove the electron from the outermost shell and on the other hand Al can easily lose one electron as p-orbital has only one electron.

The first ionization energy of magnesium is larger than sodium because magnesium has one more proton in its nucleus to hold on to the electrons in the 3s orbital. ... The first ionization energy of aluminum is smaller than magnesium.

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Answered by Smritiraj289004

Answer:

Explanation:

Mg has an inert gas configuration as the outermost shell is complete s² and it will not easily loose electron as compared to Al as it has 3s²3p¹ configuration it looses 1 electron to become more stable

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