Cerium-138 isotope (Ce-138 isotope, 138Ce isotope)
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138Ce oxide Safety Data Sheet (SDS) - Download pdf file
Download 138Ce oxide SDS
Property | 138Ce |
---|---|
Neutron Number (N) | 80 |
Atomic Number / Proton Number (Z) | 58 |
Mass Number / Nucleon Number (A) | 138 |
Natural Abundance (%) | 0.00251 |
Atomic Mass (Da) | 137.90599 |
Relative Isotopic Mass | 137.90599 |
Spin | 0 |
Quadrupole Moment | 0 |
g-factor (g value) | 0 |
Half-life | ― |
Group | ― |
Period | 6 |
Electron Configuration Block | f |
Melting Point (K) | 1072 |
Boiling Point (K) | 3699 |
Specific Heat | 0.205 |
Heat of Formation | 420.1 |
Thermal Conductivity | 11.3 |
Dipole Polarizability | 205 |
Electron Affinity (kJ/mole) | 0.65 |
Electronegativity (Pauling scale) | 1.12 |
Atomic Radius (pm) | 181 |
Covalent Radius (pm) | 185 |
VDW Radius (pm) | 274 |
Lattice Constant | 5.16 |
Crystal Structure | FCC |
Jmol color | #ffffc7 |
Silvery metallic element, belongs to the lanthanoids. Four natural isotopes exist, and fifteen radioactive isotopes have been identified. Used in some rare-earth alloys. The oxidized form is used in the glass industry. Discovered by Martin .H. Klaproth in 1803.
Its oxides are used in the optics and glass-making industries. Its salts are used in the photography and textile industry. Used in high-intensity carbon lamps and as alloying agents in special metals.