Question

An element has electronic configuration 2, 8, 4. To which group and period of the periodic table it belongs to?

• A. 2, 4
• B. 14, 3
• C. 4, 14
• D. 3, 14

Answer 1

The correct option is B 14, 3

An element has electronic configuration $2,8,4$, means atomic number of element is $14$ element is $Silicon$

and it belongs to group $14$ which is carbon family and period $3$

hence option B is correct