Question

Group 17 elements have general formula _​

Answer 1

Answer:

$general \: formula \:$

$2a {}^{2}$

Answer 2

Answer:

The halogens are located on the left of the noble gases on the periodic table. These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).