Question

write two major shortcomings of Mendeleev's periodic table how have these been removed in the modern periodic table....??​

Answer 1

Two limitations of mendeleev table are

●The the position of the element hydrogen in the periodic table could not be a certain this is because hydrogen has the properties of both halogens and alkali .

●because isotopes have tuition atomic masses they should be placed at different points of the periodic table however in Mendeleev's periodic table which has not been done and the isotopes are placed next to their Court element because this is in the properties