See explanation below.
Work Step by Step
Metallic character decreases to the right across a period and increases down a group. It is same as those relations for atomic size but are opposite for those of ionization energy
You can help us out by revising, improving and updating this answer.Update this answer
After 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.