Question

based on the periodic table shown above, elements in which of the following groups are the most reactive of all?
○a. group 1
○b. group 2
○c. group 13
○d. group 17

Explanation:

Elements in Group 17 (halogens) are poor conductors of electricity. They are non - metals and non - metals generally have low electrical conductivity due to their electron configurations which do not allow for easy flow of electrons.

Answer:

D. Group 17