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Classification of Elements and Periodicity in Properties

  • Periodic Trends in Properties of Elements
  • Electronic Configuration and Types of Elements
  • Periodic Trend in Electronegativity
  • Anomalies in Ionization Enthalpy Trend (Period 2)
  • Ionic Radii of Isoelectronic Species
  • Nomenclature of Elements with Z > 100
  • Isoelectronic Species
  • Nomenclature of Elements with Atomic Number Greater than 100
  • Periodic Trends – Chemical Reactivity and Nature of Oxides
  • Periodic Trends – Ionisation Enthalpy
  • Atomic/ionic radii trends and IUPAC nomenclature of elements
  • Periodic trend of metallic character
  • Periodic trend - atomic radius
  • Periodic properties - paramagnetism, ionisation enthalpy, oxidising power, reactivity
  • Periodic table - blocks and representative elements
  • Classification of elements
  • Ionisation enthalpy trends
  • Nature of oxides
  • Electron gain enthalpy
All Exams › NEET Previous Year Questions › Chemistry › Classification of Elements and Periodicity in Properties › Ionisation enthalpy trends

Ionisation enthalpy trends

2 Questions
2 Papers Covered
10% Weightage
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2026 Re-NEET 1 question

  1. The first ionization enthalpy of O is lower than that of N and F.

2022 Phase 2 1 question

  1. The correct order of first ionization enthalpy for the given four elements is:
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