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