The modern periodic table,based on the experiment of atomic number which highlights the significance of atomic number,is associated with:

Given below are two statements :
Statement $(I):$ According to the Law of Octaves,the elements were arranged in the increasing order of their atomic number.
Statement $(II) :$ Meyer observed a periodically repeated pattern upon plotting physical properties of certain elements against their respective atomic numbers.
In the light of the above statements,choose the correct answer from the options given below :

Which of the following information was not known at the time when Mendeleev's periodic table was constructed?

What will be the formula of '$M$' nitrate based on the given Lothar Meyer curve?

The atomic masses of $Cl$ and $I$ are $35.5$ and $127$ respectively. According to Dobereiner's law of triads,the atomic mass of $Br$ will be ............ .

Which scientist used atomic volume as the basis for the periodic classification of elements?