Question

Which of the following set of atomic numbers represents representative element?

• A. $5,13,30,53$
• B. $11,33,58,84$
• C. $3,33,53,87$
• D. $9,28,53,83$

Answer 1

The correct option is C $3,33,53,87$

Representative elements are those including only s-block and p-block except 0-group$,$ not d and f-block elements$.$ So, atomic of $3,33,53,87$ are representative element$.$