In the Lothar Meyer curve,the descending position (next to the peak) is held by which of the following?

Write the drawbacks in Mendeleev's periodic table that led to its modification.

Fill in the blanks given below:
$(i)$ The first scientist to think about the properties of elements was ......... .
$(ii)$ The relationship of properties of elements suggested by Dobereiner is known as ........... .
$(iii)$ The Law of Octaves was proposed by the chemist ......... .
$(iv)$ The first periodic table was constructed by .......... and .......... .

What is the fundamental difference between Mendeleev's periodic law and the modern periodic law?

What is the periodic table according to Glenn $T$. Seaborg?

Mendeleev's periodic law is based on