Tag: into the history
Questions Related to into the history
According to the law of triads :
The law of triad is applicable to a group of :
In Doberenier triads, the atomic weights of the elements in a triad are in increasing order.
Example of Dobereiner's triad is _________.
The three elements A, B and C with similar properties have atomic masses X, Y and Z respectively. The mass of Y is approximately equal to the average mass of X and Z. Such an arrangement of elements called as :
The law of triads was given by :
If the two members of a Dobereiner's triad are chlorine and iodine, then the third member of this triad is :
If the two members of a Dobereiner triad are phosphorus and antimony, the third member of this triad is :
Cl, Br, I follows Dobereiner's triads, the atomic masses of Cl and I are 35.5 and 127 respectively. The atomic mass of Br is :
Which of the following sets of atomic masses do not correspond to Dobereiner's triad?