Question

Which of the following sequence contains atomic number of only representative elements?

• A. $55,12,48,53$
• B. $13,33,54,80$
• C. $3,33,53,87$
• D. $22,33,55,66$

Answer 1

Answer: (C)

$3,33,53,87$

Representative elements are the elements which lie in the group 1 and 2 on the far left and the last six columns or groups on the far right corner of the periodic table.

Sequence C option contains only representative elements.