defence exam Army Havildar SAC Mock Test Series 2025 General Science Chemistry Classification of Elements and Periodicity in Properties
In the modern periodic table, element 'X’ belongs to a period for which n = 4 and element 'Y' belongs to a period for which n = 2, but both the elements belong to the same group. Which of the following statements is true about these elements?
1
'Y’ is more metallic than ‘X’.
2
'X' and 'Y’ are equally non-metallic.
3
'X’ is more metallic than 'Y’.
4
'X' and 'Y' are equally metallic.