Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Due to diagonal relationship between
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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 110+ 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.
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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
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Q2ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Assertion
Metallic character increases from left to
right in a period.
Reason
The higher the value of ionization energy, electronegativity and electron affinity the more is the metallic
character of the element.
Q3ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Sodium forms ion but it doesnot
form because of
Q4ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Pure silicon doped with phosphorus is :
Q5ChemistryUnit 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?
Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Identify the position of the elements having outer electronic configuration
for
Q7ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The element having the least size from the following is :
Q8ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Only those elements of s-block can produce superoxides which have :
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Popular questions in Classification of Elements and Periodicity in Properties
- IP values of an element 'X' are 104 kJ, \( 200 \mathrm{kJ}, 420 \mathrm{kJ}, 2825 \mathrm{kJ} \) per mole Identify the g…
- Which of the following statement(s) about the Modern periodic table is/are incorrect? (i) The elements in the Modern per…
- Which of the following statement(s) is/are correct about the modern periodic table? This question has multiple correct …
- The name of the element having atomic number \( 100, \) was adopted in the honour of :…
- Which element has the most metallic character?…
- Gradual addition of electronic shell in the noble gases causes a decrease in their?…
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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.
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Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.
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