'A', 'B' and 'C' are three elements that form a triad. If the atomic weight of 'A' is 7 and that of
'C' is 39 then according to Döbereiner's rule of triads what will be the atomic weight of 'B'?
'C' is 39 then according to Döbereiner's rule of triads what will be the atomic weight of 'B'?
Add an Answer
More Questions From This User See All
Answers & Comments
A + C ÷ 2 = B
Here,
A = 7
C= 39
B= ?
Therefore,
7 + 39 ÷ 2 = C
46÷2 = C
23 =C
The element C has the atomic weight of 23u which is same as Sodium
C = Sodium
Answer:
23
Explanation: