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NCERT Intext 3.5 Question and Solution
Modern Periodic Law and Modern Periodic Table
s-Block Elements
p-Block Elements
Nomenclature of Elements with Atomic Numbers Greater than 100
d-Block Elements
f-Block Elements
Comparison of s-, p-, d-, and f-Block Elements
Position of Metals and Non-Metals in Periodic Table
Rules to Find Period and Group Number in Periodic Table
Why Periods in Periodic Table Contain 2, 8, 8, 18, and 32 Elements (Magic Numbers)
Prediction of Period, Group, and Block of a Given Element in Periodic Table
Solved Examples
Short Periods Elements
Long Periods Elements
Periodicity of Properties of Elements
Atomic Radius
Screening Effect (Shielding Effect)
Variation of Atomic Radius in a Period
Variation of Atomic Radius in a Group
Van der Waals Radius
Ionic Radius
Why radius of cation is smaller than its parent atom ?
Why radius of anion is greater than its parent atom
Variation of Ionic Radii in Isoelectronic Series
Conceptual Important Question Answers
Ionization Enthalpy
Factors affecting Ionisation Enthalpy
Variation of Ionization Enthalpy Along a Period
Variation of Ionization Enthalpy Down a Group
Ionization Enthalpy Conceptual Question Answers
Electron Gain Enthalpy (Electron Affinity)
Factors Affecting Electron Gain Enthalpy
Variation of Electron Gain Enthalpy
Halogens have Highest Negative Electron Gain Enthalpies
Why Electron Gain Enthalpy of Noble Gases are Positive while Be, Mg, N, P are Almost Zero
Electron Gain Enthalpy trend of Halogens
P, S, Cl Have More Negative Electron Gain Enthalpies than N, O, F
Successive Electron Gain Enthalpies
Which of elements (Oxygen or Fluorine) have more negative electron gain enthalpy ?
Which element (Fluorine or Chlorine) have more negatiave electron gain enthalpy ? Why ?
Electron Gain Enthalpy Solved Numerical Examples
Which of elements P, S, Cl, F will have most negative electron gain enthalpy and which least negative?
Electronegativity
Factors Affecting Electronegativity
Periodic Trends in Electronegativity
How are electronegativity and metallic & non-metallic characters related?
Differences Between Electron Gain Enthalpy and Electronegativity
Valency or Oxidation States
Periodic Trends and Chemical Reactivity
NCERT Intext 3.1 Question Solution
NCERT Intext 3.2 Question Solution
NCERT Intext 3.3 Question Solution
NCERT Intext 3.4 Question Solution