Question

X,Y and Z elements of dobereiners triads if the atomic maas of x is 7 and that of z is 39. what should be the atomic mass of y ?​

Answer 1

Answer:

In Dobereiner’s Triad of X,Y, Z

Y = X + Z / 2

Y = 7 + 39 / 2

Y = 46 / 2 = 23