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You are watching: Explain why the noble gases have high ionization energies


Inert gases, likewise known as "noble gases," room the team 18 chemical facets on the regular table. Lock are highly unreactive because its outermost atom orbital has been filled to its maximum capacity of 8 electrons. Electron in one atom"s outermost atom orbital room called, "valence electrons." having 8 valence...

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Inert gases, also known together "noble gases," are the group 18 chemical aspects on the routine table. They are extremely unreactive because its outermost atom orbital has been filled come its maximum volume of 8 electrons. Electrons in an atom"s outermost atom orbital room called, "valence electrons." having 8 valence electrons is the many stable energy state (meaning lowest in energy) the an atom in the respective duration can exist in. This explains why the is unlikely that inert gases will participate in chemical reactions due to the fact that this will certainly involve losing, gaining, or sharing a valence electron. If this to be to happen, they will deviate from your lowest power state that 8 valence electrons and also move to a state of greater energy since they no longer have that full octet in your outermost atomic orbital. 

Therefore, the highest possible ionization energy of this inert gases in your respective durations on the periodic table have the right to be explained by these principles of highest possible stability and also lowest energy when the atom"s outermost atom orbital is filled come capacity v 8 valence electrons. Ionization power is the power required to eliminate a valence electron from an atom. Since inert gases room in their many stable form, that is an ext unfavorable to eliminate their valence electrons 보다 those of any kind of other atom in the exact same period. As a result, an ext energy (ionization energy) is forced to "pull" a valence electron away from inert gases. The ionization energy is the power that is offered to the atom so that it may exist in a higher energy state there is no its very favorable and stable complete octet.