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Important Questions: Modern periodic law and present form of the periodic table for JEE

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The most important Modern periodic law and present form of the periodic table questions for JEE cover conceptual traps, standard results, and numerical patterns from Modern periodic law and present form of the periodic table. Goodmarks provides 6+ high-yield MCQs with full solutions.

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Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which of the following statement(s) is/are correct about the modern periodic table? This question has multiple correct options
Q2ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The name of the element having atomic number 100,100, was adopted in the honour of :
Q3ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which of the following statement(s) about the Modern periodic table is/are incorrect? (i) The elements in the Modern periodic table are arranged on the basis of their decreasing atomic number. (ii) The elements in the Modern periodic table are arranged on the basis of their increasing atomic number (iii) Isotopes are placed in an adjoining group(s) in the periodic table.
Q4ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The modern periodic table is ordered on the basis of:
Q5ChemistryUnit 9: Classification of Elements and Periodicity in Properties
If three elements X,Y,X, Y, and ZZ form a Dobereiner's triad and atomic weights of XX and ZZ are 9 and 40 respectively then the atomic weight of the element YY is approximately:
Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The element placed with cerium, in the table formed by Newlands' was:

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