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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?
The group number, number of valence electrons, and valency of an element with the atomic number 15, respectively, are:
Describe the two merits of long form periodic table over the Mendeleev's periodic table?
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