Problem: Which atom in each set has the most exothermic electron affinity?i) N, O, Neii) Al, Si, Cla. i) Ne ii) Clb. i) N ii) Clc. i) O ii) Cld. i) Ne ii) Sie. i) O ii) Al

FREE Expert Solution

We’re being asked to determine the element with the highest (most exothermic/ most negative) electron affinity


Recall that electron affinity is the energy change from the addition of 1 e to a gaseous element/ion


It is represented by this chemical equation:

Atom(g) + e  Ion(g), ΔE = –E.A. 

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Problem Details

Which atom in each set has the most exothermic electron affinity?

i) N, O, Ne

ii) Al, Si, Cl

a. i) Ne ii) Cl

b. i) N ii) Cl

c. i) O ii) Cl

d. i) Ne ii) Si

e. i) O ii) Al

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trend: Electron Affinity concept. You can view video lessons to learn Periodic Trend: Electron Affinity Or if you need more Periodic Trend: Electron Affinity practice, you can also practice Periodic Trend: Electron Affinity practice problems .

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Based on our data, we think this problem is relevant for Professor Biberdorf's class at TEXAS.