Define Mendeleev's periodic law?

Mosely modified Mendeleev's periodic law based on his observation on the X-ray spectra of elements. State the modern periodic law.

Moseley modified Mendeleev's periodic law based on his observation on the x-ray spectra of elements.The IUPAC name of the element with atomioc number 109 is ……..

Mosely modified Mendeleev's periodic law based on his observation on the X-ray spectra of elements. Analyse the following graph, between ionization enthalpy and atomic number. What do you observe from the graph? Give justification for your observation.

The bridge elements in Mendeleev's periodic table are

Which one of the following element is represented as Eka-Silicon in Mendeleev's periodic table?

What is the basic difference in approach between the Mendeleevs Periodic Law and the Modern Periodic Law?

Advantages of Mendeleev's periodic table?

Evaluate the Mendeleev's periodic table and find the following. Total number of periods

Mendeleev arranged the elements in the order of increasing atomic weights. a) Write down the merits of Mendeleevis periodic table. b) What are the demerits of Mendeleev's periodic table?

Evaluate the Mendeleev's periodic table and find the following. Total number of Groups