Question

An element belongs to the group 17. It is present in the 3rd period and its atomic number is 17. What is atomic number of the element belonging to the same group and present in fifth period
(a) 25
(b) 33
(c) 35
(d) 53​

Answer 1

Answer:

b is right option

Explanation:

mark me brilliant answer

Answer 2

Answer:

53 is the correct answer

hope it will help you