Problem: Of the five elements Sn, Si, Sb, O, Te, which has the most endothermic reaction? (E represents an atom.) What name is given to the energy for the reaction? E(g) ⟶ E+(g) + e−

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Ionization energy is the energy needed to remove an electron from a gaseous element. It is the energy accompanying the reaction:

E(g) → E+(g) + e          ΔE = IE1 > 0

This is a endothermic reaction as seen by the positive change in energy. Generally, ionization energy:

increases as you go from left to right in a period because of higher effective nuclear charge; and
decreases as you go down a group because of increasing energy levels between the electron and the nucleus

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Of the five elements Sn, Si, Sb, O, Te, which has the most endothermic reaction? (E represents an atom.) What name is given to the energy for the reaction? E(g) ⟶ E+(g) + e

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Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.