The third member of the Dobereiner triad consisting of lithium and sodium is
Q. The third member of the Dobereiner triad consisting of lithium and sodium is :
A. Potassium
B. Hydrogen
C. Boron
D. Barium
Answer: Potassium
A. Potassium
B. Hydrogen
C. Boron
D. Barium
Answer: Potassium