Question

The starting element and last element in the
largest period in modern periodic table are
(A) Rb and Xe
(B) Cs andi
(C) Cs and Rn
(D) Fr and Kr​

Answer 1

Answer:

The starting element is Fr and last element is Kr

Answer 2

Answer:

The correct option is C)Cs and Rn

Explanation:

Because the 6th period is the largest period in modern periodic table as it contain 32 elements.

But if you are looking for total information 7th period is also the largest period along with 6th,as of today all 32 elements of 7 th period is discovered and recognised by IUPAC.