General Information
   · Element Symbol
   · Atomic Number
   · Element Name
   · Atomic Weight
   · Description
   · Recognized By
   · Year Discovered
   · Minerals
   · Primary Source
   · Major Mining Locations
   · CAS Registry Number

Chemical Information
   · Atomic Radius
   · Ionic Radius
   · van der Waals Radius
   · Covalent Radius
   · Electronegativity
   · Effective Nuclear Charge
   · Oxidation States
   · Enthalpy of Formation (solid)
   · Enthalpy of Formation (gas)
   · Free Energy of Formation (solid)
   · Free Energy (gas)
   · Entropy (solid)
   · Entropy (gas)

Electron Information
   · Electron Configuration
   · Electron Affinity
   · Polarizability
   · Electron Work Function
   · 1st Ionization Energy
   · 2nd Ionization Energy
   · 3rd Ionization Energy
   · 4th Ionization Energy
   · 5th Ionization Energy
   · X-ray Energies
     (Kα1, Kβ1, Lα1, Lβ1 and Mα1)
   · Electron Binding Energies
     K (1s) to NII (4p1/2)
 
 
   
Physical Information
   · Melting Point
   · Boiling Point
   · Critical Temperature
   · Critical Pressure
   · Heat of Fusion
   · Heat of Vaporization
   · Heat of Sublimation @ 25°C
   · Vapor Pressure
   · ΔVmelting
   · Density (solid)
   · Density (liquid)
   · Density (gas)
   · Molar Volume
   · Young's Modulus
   · Shear Modulus
   · Bulk Modulus
   · Poisson's Ratio
   · Mean Specific Heat @ 25°C
   · Thermal Conductivity @ 2 Temps.
   · Electrical Resistivity @ 2 Temps.
   · Temperature Coefficient of
     Resistivity (0-100°C)
   · Mass Magnetic Susceptibility
   · Coefficient of Expansion @ 25°C

Crystal Structure Information
   · Crystal Structures of all Stable
     Phases @ Atmospheric Pressure
     (190+ Phases)
   · Lattice Parameters of Crystal
     Structures
  
Other Features
   · Column Notation Toggle
     (between New and CAS version)
   · Find Element Tool
   · Element Index
   · Data Index
   
Nuclear Information
   · Number of Isotopes
   · Isotope Mass Range
   · Neutron Scattering Length
   · Thermal Neutron Capture
     Cross-Section
   · Natural Isotopes (280+)
   · Abundance of Natural
     Isotopes
   · Radioactive Isotopes (660+)
   · Half-Lives of Radioactive
     Isotopes
   · Decay Modes of Radioactive
     Isotopes

Colored Maps
   · Classes
   · Physical State
   · Metal State
   · Isotope Information
   · Radioactive State
   · Melting Point
   · Atomic Radius
   · Electronegativity
   · First Ionization Energy
   · Young's Modulus
   · Thermal Neutron Capture
     Cross Section
   · Density (solid)

Extra Information
   · Activity Series of Metals
   · Fundamental Constants (23 total)
   · Metric System Prefixes
   · Superconducting Materials
   · Unit Conversion Tool

eNotes
   · Fundamentals of Chemistry

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Element Information
Element Info