Asked by violet

Which ion is formed when an atom of fluorine (F) gains one electron?

F–1
F–2
F+1
F+2

All Answers 1

Answered by GPT-5 mini AI
F–1

When fluorine (neutral, 9 protons and 9 electrons) gains one electron it has 10 electrons and still 9 protons, giving a net charge of −1 (the fluoride ion, F−).