Question

An element belongs to the 3rd period and Group II of the periodic table.
Number of valence electrons are ______________.

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer 1

The correct option is B $2$

The elements of group II have $2$ valence electrons present in them.

As the number of valence electrons indicates the group number.

Thus correct answer is $2$.