Answer
This element's symbol is Al.
Work Step by Step
Periodic tables are numbered at the top by group number, and down the side by period number. Use the labels on the top and on the side, and find where their rows and columns intersect.
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.