Genesis of Periodic Classification
Genesis of Periodic Classification: Overview
This topic covers concepts, such as Demerits of Mendeleev's Periodic Table, Lothar-Meyer's Atomic Volume Curve, Similar Elements Separated in Mendeleev's Periodic Table, Merits of Mendeleev's Periodic Table, Mendeleev's Periodic Table, etc.
Important Questions on Genesis of Periodic Classification
In Mendeleev's periodic table, similar elements like _____ and mercury are placed at different places.(silver/copper)

Write any one limitation of Mandelevee's periodic table.

Both _____ and germanium were unknown at the time Mendeleev published his Periodic Table.

Mendeleev left the gap under aluminium and a gap under silicon and called these elements Eka-Aluminium and Eka-Silicon.

Which of the following element is unknown at the time Mendeleev published his Periodic Table?

The spectrum obtained in Moseley's experiment is known as _____.

Compare the Lothar Meyer's periodic arrangement with the Moseley's experiment.

Express the experiment carried out by Moseley.

Express the law of octaves.

Discuss the limitations of octave rule.

Mendeleev left the gap under aluminium and a gap under silicon having atomic weights and respectively. These elements respectively are

In Mendeleev's periodic table, iodine with lower atomic weight than that of tellurium was placed along with

Which of the following statements is incorrect?

Which of the following statements is incorrect?

Dissimilar elements have been placed in the same group in the Mendeleev's periodic table ? Comment.

_____ was placed in the group of halogens in Mendeleev's periodic table? (Manganese / Magnesium/ Nitrogen)

What is the demerit of Mendeleev's periodic table with respect to the arrangement of elements ?

Dissimilar elements have been placed in the same group in the Mendeleev's periodic table.

Some similar elements like copper and _____ are separated in Mendeleev's periodic table.

Some similar elements like copper and mercury are separated in Mendeleev's periodic table.
