In Mendeleef table, the triad of VIII group is

In Mendeleev table, the triad of VIII group is :

In Mendeleev's periodic table group VIII contains________elements.

The nuclei of elements X,Y and Z have same number of protons, but different nembers of neutrons. According to Mendeleef periodic table, the elements X,Y and Z

Which of the following are elements belongs to (VIII A) group ?

Which of the following match is correct (A) Base of mendeleef periodic table - Number of protons (B) Doberenier's triad - Na,"K,Rb (C) Newland's octave rule is obeyed by "H,F,Cl, (D) Lother meyer curve plotted between - Atomic number V/S Atomic weight

Dobereiner triad is

In periodic table tritium is placed in group: