Answer
K must lose one electron when it forms an electron.
Work Step by Step
Potassium is in group 1A and has one valence electron. It must lose this to achieve noble gas configuration.
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.