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 @ 25C
   Vapor Pressure
   ΔVmelting
   Density (solid)
   Density (liquid)
   Density (gas)
   Molar Volume
   Young's Modulus
   Shear Modulus
   Bulk Modulus
   Poisson's Ratio
   Mean Specific Heat @ 25C
   Thermal Conductivity @ 2 Temps.
   Electrical Resistivity @ 2 Temps.
   Temperature Coefficient of
     Resistivity (0-100C)
   Mass Magnetic Susceptibility
   Coefficient of Expansion @ 25C

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