Thank you so much for your help :) PartB Constants 1 Penodic Table lonization en

Question

Thank you so much for your help :)
PartB Constants 1 Penodic Table lonization energy is the energy required to remove an electron from an atom or ion. First ionization energy refers to the energy required to remove an electron from an electrically neutral atom in the gas phase. Subsequent ionization energies reflect the energies needed to strip successive electrons off an increasingly postively charged ion For the series of elements X. Y, and Z allin the same period (row), arrange the elements in order of decreasing rst ionization energy ElementRadius (pn) 121 190 254 Rank from highest to lowest first ionization energy. To rank items as equivalent, overlap them View Avwailable Hints Reset Help element X elemenY element z Highest first ionization energy Lowest first ionzation energy The comect ranking cannot be detemined

Explanation / Answer

ionisation energy is the energy required to remove an outer most electron from an atom.It decreases down the group and increases across the period because the nuclear charge increases.In these elements radius is given.The smallest be the radius higher will be the ionisation energy because more will be nuclear charge hence the electron removal will become difficult.so; decreasing order of ionisation energy ;

X>Y>Z

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