Who developed the long form of periodic table?
Lothar Meyer
Niels Bohr
Mendeleef
Moseley
Neils Bohr developed the long form of periodic table on the basis of Mosley's principle
The modern periodic table was prepared by :
(a) Dobereiner (b) Newlands (c) Bohr (d) Mendeleev
Elements which occupied position in the Lother meyer curve, on the peaks, were -