Fluorine has 7 valence electrons. Which charge is its ion likely to have?

Question

(1 point)
• 1-
• 5+
• 1+
• 5-

Answer 1

Fluorine has 7 valence electrons and needs 1 more electron to achieve a full valence shell (which contains 8 electrons). When it gains this additional electron, it becomes negatively charged. Therefore, the most likely charge of its ion is:

• 1-