Question

the elements with atomic numbers 9,17,35,53,85 are all​

Answer 1

Answer:

these all elements are Halogens

ex : F,Cl,I,Br

Answer 2

Answer:

are all halogens

Explanation:

The halogen elements are the six elements in Group 17 of the periodic table. Group 17 is the second column from the right in the periodic table and contains six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (As), and tennessine (Ts).