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Atomic Weight of the elements
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Point to the graph to see details, or click for full data on that element.
Notes on the Atomic Weight of particular elements:
Technetium:
Atomic mass number given for longest lived isotope.
Promethium:
Atomic mass number given for longest lived isotope.
Polonium:
Atomic mass number given for longest lived isotope.
Astatine:
Atomic mass number given for longest lived isotope.
Radon:
Atomic mass number given for longest lived isotope.
Francium:
Atomic mass number given for longest lived isotope.
Radium:
Atomic mass number given for longest lived isotope.
Actinium:
Atomic mass number given for longest lived isotope.
Neptunium:
Atomic mass number given for longest lived isotope.
Plutonium:
Atomic mass number given for longest lived isotope.
Americium:
Atomic mass number given for longest lived isotope.
Curium:
Atomic mass number given for longest lived isotope.
Berkelium:
Atomic mass number given for longest lived isotope.
Californium:
Atomic mass number given for longest lived isotope.
Einsteinium:
Atomic mass number given for longest lived isotope.
Fermium:
Atomic mass number given for longest lived isotope.
Mendelevium:
Atomic mass number given for longest lived isotope.
Nobelium:
Atomic mass number given for longest lived isotope.
Lawrencium:
Atomic mass number given for longest lived isotope.
Rutherfordium:
Atomic mass number given for longest lived isotope.
Dubnium:
Atomic mass number given for longest lived isotope.
Seaborgium:
Atomic mass number given for longest lived isotope.
Bohrium:
Atomic mass number given for longest lived isotope.
Hassium:
Atomic mass number given for longest lived isotope.
Meitnerium:
Atomic mass number given for longest lived isotope.
Darmstadtium:
Atomic mass number given for longest lived isotope.
111:
Atomic mass number given for longest lived isotope.
112:
Atomic mass number given for longest lived isotope.
113:
Atomic mass number given for longest lived isotope.
114:
Atomic mass number given for longest lived isotope.
115:
Atomic mass number given for longest lived isotope.
116:
Atomic mass number given for longest lived isotope.
118:
Atomic mass number given for longest lived isotope.
Up to date, curated data provided by
Mathematica
's
ElementData
function from
Wolfram Research, Inc.
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Absolute Boiling Point
Isotope Abundances
Absolute Melting Point
Known Isotopes
Abundance in Earth's Crust
Lattice Angles
Abundance in Humans
Lattice Constants
Abundance in Meteorites
Lifetime
Abundance in the Ocean
Liquid Density
Abundance in the Sun
Magnetic Type
Abundance in the Universe
Mass Magnetic Susceptibility
Adiabatic Index
Melting Point
Allotrope Names
Memberships
Alternate Names
Mohs Hardness
Atomic Number
Molar Magnetic Susceptibility
Atomic Radius
Molar Volume
Atomic Weight
Name
Autoignition Point
Neel Point
Block
Neutron Cross Section
Boiling Point
Neutron Mass Absorption
Brinell Hardness
NFPA Fire Rating
Bulk Modulus
NFPA Hazards
CAS Number
NFPA Health Rating
CID Number
NFPA Label
Color
NFPA Reactivity Rating
Covalent Radius
NSC Number
Critical Pressure
Period
Critical Temperature
Phase
Crystal Structure
Poisson Ratio
Curie Point
Quantum Numbers
Decay Mode
Radioactive
Density
Refractive Index
Discovery Year
Resistivity
DOT Hazard Class
RTECS Classes
DOT Numbers
RTECS Number
Electrical Conductivity
Shear Modulus
Electrical Type
Space Group Name
Electron Affinity
Space Group Number
Electron Configuration
Specific Heat
Electronegativity
Speed of Sound
EU Number
Stable Isotopes
Flash Point
Superconducting Point
Gas Atomic Multiplicities
Symbol
Gmelin Number
Thermal Conductivity
Group
Thermal Expansion
Half Life
Valence
Heat of Combustion
Van Der Waals Radius
Heat of Fusion
Vickers Hardness
Heat of Vaporization
Volume Magnetic Susceptibility
Ionization Energies
Young Modulus