defence exam Indian Army Nursing Assistant Mock Test Series 2025 General Science Chemistry Basic Concepts of Chemistry
In a compound having molecular formula XY, element 'X' belongs to the 3rd period and the 2nd group, whereas, element 'Y' belongs to the 2nd period and the 16th group. What is the relative molecular mass of the compound XY?
1
40u
2
35u
3
64u
4
50u