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Chemistry · JEE

Important Questions: Classification of Elements and Periodicity in Properties for JEE

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The most important Classification of Elements and Periodicity in Properties questions for JEE cover conceptual traps, standard results, and numerical patterns from Modern periodic law and present form of the periodic table, s, p, d and f block elements, Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity. Goodmarks provides 19+ high-yield MCQs with full solutions.

Focus on what matters most. These important Classification of Elements and Periodicity in Properties questions cover high-weightage concepts from Modern periodic law and present form of the periodic table, s, p, d and f block elements, Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity — the topics JEE repeats every year.

Subtopics in Classification of Elements and Periodicity in Properties

  • Modern periodic law and present form of the periodic table
  • s, p, d and f block elements
  • Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity

Free sample questions

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Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Metals found in a combined state in the earth's crust are known as:
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
Which element has the most metallic character?
Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The modern periodic table is ordered on the basis of:
Q7ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The liquid non-metal belongs to which group number?
Q8ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Why is there a gradual increase in the ionisation energy from LiL i to Ne?N e ?

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Frequently asked questions

What makes a Classification of Elements and Periodicity in Properties question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Classification of Elements and Periodicity in Properties are high-weightage?

Key areas include Modern periodic law and present form of the periodic table, s, p, d and f block elements, Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity. Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

Can I practise only important questions on Goodmarks?

Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.

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