Answer
Figure (iii)
Work Step by Step
Figure (iii) shows the general trend in electron affinities because the eletron affinity for the main group elements become more positive as you move down a column or from right to left across a row.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.