Describe the two merits of long form periodic table over the Mendeleev's periodic table?

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Mendeleev's Periodic Law and Periodic Table, Modern Periodic Law and Long Form of Periodic Table | PadhAiPro

Question

TextMendeleev's Periodic Law and Periodic TableModern Periodic Law and Long Form of Periodic Table

How would you justify the presence of 18 elements in the 5th period of the Periodic Table?

Which important property did Mendeleev use to classify the elements in his periodic table and did he stick to that?

What is the basic difference in approach between the Mendeleev's Periodic Law and the Modern Periodic Law?

In terms of period and group where would you locate the element with Z =114?

In the modern periodic table, the period indicates the value of :

Which of the following statements related to the modern periodic table is incorrect?