The Periodic Table: The Periodic Table: Halogens Quiz

Halogen means "salt former." All of the elements in Group 17 (or 7A) are called halogens. Halogens have seven valence electrons and will gain an electron to achieve a pseudo-noble gas configuration. Halogens are highly reactive as a result. To complete this quiz, you will need access to a periodic table. Select the best answer from the choices. Good luck.