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  • HOME
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  • CHEM TOPICS
    • 🏠 ALL CHEM TOPICS
    • 📐 Matter and Measurement
    • ⚛️ Atomic and Electronic Structure
    • 🧲 Bonding and IMFs
    • 🧑 Nomenclature
    • 🧮 The Mole
    • 🧪 Chemical Reactions
    • ➗ Stoichiometry
    • 🎈 Gas Behavior
    • 🧂 Solutions
    • 🔥 Thermochemistry
    • 🏃 Kinetics
    • 🤹 Equilibrium
    • ☠️ Acids & Bases
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  • AP®︎ CHEM
    • ⭐ ALL TOPICS LIST
    • 01 - Atomic Structure & Properties
    • 02 - Molecular and Ionic Compound Structure and Properties
    • 03 - Intermolecular Forces and Properties
    • 04 - Chemical Reactions
    • 05 - Kinetics
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    • 08 - Acids & Bases
    • 09 - Applications of Thermodynamics
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    • HOME
      • Store
    • CHEM TOPICS
      • 🏠 ALL CHEM TOPICS
      • 📐 Matter and Measurement
      • ⚛️ Atomic and Electronic Structure
      • 🧲 Bonding and IMFs
      • 🧑 Nomenclature
      • 🧮 The Mole
      • 🧪 Chemical Reactions
      • ➗ Stoichiometry
      • 🎈 Gas Behavior
      • 🧂 Solutions
      • 🔥 Thermochemistry
      • 🏃 Kinetics
      • 🤹 Equilibrium
      • ☠️ Acids & Bases
      • ⚙️ Entropy and Free Energy
      • 🔋 Redox and Electrochemistry
    • AP®︎ CHEM
      • ⭐ ALL TOPICS LIST
      • 01 - Atomic Structure & Properties
      • 02 - Molecular and Ionic Compound Structure and Properties
      • 03 - Intermolecular Forces and Properties
      • 04 - Chemical Reactions
      • 05 - Kinetics
      • 06 - Thermodynamics
      • 07 - Equilibrium
      • 08 - Acids & Bases
      • 09 - Applications of Thermodynamics
      • 🔄 AP Exam Prep
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Atomic & Electronic Structure/ Periodic Table > Periodic Trends > Electronegativity

Isotopic Notation   |   Periodic Trends   |   Shielding/ Zeff   |   Orbitals   |   Electron Configuration   |   Quantum Numbers   |   Paramagnetism and diamagnetism   |   

Introduction to Light   |   UV-VIS spectroscopy 

Electron Affinity is the energy change for the process of adding an electron to a gaseous atom to form an anion (negative ion).

X(g) + e−  ⟶  X−(g)  


You can add an electron to whatever element you want, but typically we usually talk about electron affinity with non-metals because those are the ones that usually gain electrons. Example: O ⟶ O2-

Pauling Electronegativity values

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