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Modern periodic law and present form of the periodic table Concepts for JEE

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Master Modern periodic law and present form of the periodic table by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

Build clear conceptual foundations for Modern periodic law and present form of the periodic table before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.

Concept explainer

Modern periodic law and present form of the periodic table is a core JEE Main Chemistry subtopic under Classification of Elements and Periodicity in Properties. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

  • Understand the definition and scope of Modern periodic law and present form of the periodic table in the JEE syllabus
  • Memorise key formulas and standard results linked to Modern periodic law and present form of the periodic table
  • Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

  • Revise Modern periodic law and present form of the periodic table with a one-page formula sheet before attempting mixed tests
  • After each practice set, log mistakes specific to Modern periodic law and present form of the periodic table and reattempt after 48 hours

Common trap

Students often rush Modern periodic law and present form of the periodic table questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of Classification of Elements and Periodicity in Properties in JEE Main Chemistry.

Free sample questions

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Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties
In Newlands' table, which of the following elements was not placed in the same group in which cobalt and nickel were present?
Q2ChemistryUnit 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
Q3ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The name of the element having atomic number 100,100, was adopted in the honour of :
Q4ChemistryUnit 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.
Q5ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Law of Triad was proposed by:
Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which periods were not divided into two series in the Mendeleev's periodic table?
Q7ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Write the correct alternatives: According to Mendeleev's periodic law, properties of elements are periodic function of their.
Q8ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The modern periodic table is ordered on the basis of:

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