1.

Which of the following group of elements belongs to alkali metals?

A.  1, 12, 30, 4, 62         
B.  37, 19, 3, 55  
C.  9, 17, 35, 53      
D.  12, 20, 56, 88
Answer» C.  9, 17, 35, 53      


Discussion

No Comment Found

Related MCQs