Atomic weight of an element X is 39, and that of element Z is 132, atomic weight of their intermediate element Y, as per Doeberiner triad, will be

Atomic weight of an element X is 39, and that of element Z is 132, ato

1.	Atomic weight of an element X is 39, and that of element Z is 132, atomic weight of their intermediate element Y, as per Doeberiner triad, will be
Answer» `88.5` `93.0` 171 `85.5` SOLUTION :`(39+132)/(2)=85.5`