Question

The atomic number of an element 'X' is $16$. In the modern periodic table the element 'X' belongs to this block and period.

Answer 1

The atomic number of an element 'X' is 16. In the modern periodic table the element 'X' belongs to $p-$ block, group 16 or VI A and third period period.
The element 'X' is sulphur with symbol 'S' with electronic configuration 2,8.6 in K,L and M shells respectively.