Question

6. X (atomic mass = 37), Y (atomic mass = 81), and Z are three members of Dobereiner's triads.

Atomic mass of Z=?

a) 120

b) 125

c) 130

d) 135​

Answer 1

120 i think so not sure use formula and find it

Answer 2

Answer :

X (atomic mass = 37), Y (atomic mass = 81), and Z are three members of Dobereiner's triads.

b) 125