Question

what is the common features of electronic configuration of the element in group 17

Answer 1

Answer:

The elements that are present in group 17 are fluorine, chlorine, bromine, iodine, and astatine. They are called halogens as they react with metals to give salts. The electronic configuration of the outermost shell of the elements of group 17 is ns2 and np5. Therefore there are 7 electrons in the outermost shell.

Answer 2

Answer:

1. All the elements of group 17 (VII A) has one valence electron