What property do all elements in the same column of the Periodic Table as fluorine have in common?
Valency equal to 1.
All elements in the same group of the periodic table as fluorine are halogens. Halogens are placed in group 17 which have seven valence electrons. Hence, their valency is 1.
Video Tutorials For All Subjects
- Merits and Demerits of Mendeleev’s Periodic Table