Chemistry · JEE

Important Questions: Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity for JEE

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The most important Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity questions for JEE cover conceptual traps, standard results, and numerical patterns from Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity. Goodmarks provides 60+ high-yield MCQs with full solutions.

Focus on what matters most. These important Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity questions cover high-weightage concepts from 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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Part of Classification of Elements and Periodicity in Properties in JEE Main Chemistry.

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Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties

Due to diagonal relationship between Be and

A l

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

N a^{+}

ion but it doesnot form

N a^{2+}

because of

Q4ChemistryUnit 9: Classification of Elements and Periodicity in Properties

Identify the position of the elements having outer electronic configuration

n s^{2} n p^{5}

for

n=3

Q5ChemistryUnit 9: Classification of Elements and Periodicity in Properties

The element having the least size from the following is :

Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties

Only those elements of s-block can produce superoxides which have :

Q7ChemistryUnit 9: Classification of Elements and Periodicity in Properties

Select the correct order of ions with respect to their ionic radii.

Q8ChemistryUnit 9: Classification of Elements and Periodicity in Properties

Which of the following is brittle at low temperature?

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What makes a Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity 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 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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