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Classifications |
Alternate Names | Caesium |
Names of Allotropes | None |
Block | s |
Group | 1 |
Period | 6 |
Series | Alkali Metal |
Electron Configuration | [Xe]6s1 |
Color | Silver |
Discovery | |
Gas phase | N/A |
CAS Number | CAS7440-46-2 |
CID Number | |
RTECS Number | |
Electrical properties |
Electrical Type | Conductor |
Electrical Conductivity | 5×106 S/m |
Resistivity | 2×10-7 m Ω |
Superconducting Point | N/A |
Magnetic properties |
Magnetic Type | Paramagnetic |
Curie Point | N/A |
Mass Magnetic Susceptibility | 2.8×10-9 m3/Kg |
Molar Magnetic Susceptibility | 3.72×10-10 m3/mol |
Volume Magnetic Susceptibility | 5.26×10-6 |
Abundances |
% in Universe | 8×10-8% |
% in Sun | 8×10-7% |
% in Meteorites | 0.000014% |
% in Earth's Crust | 0.00019% |
% in Oceans | 5×10-8% |
% in Humans | 2×10-6% |
Atomic dimensions and structure |
Atomic Radius | 298 pm |
Covalent Radius | 244 pm |
Van der Waals Radius | N/A |
Crystal Structure | Body-centered Cubic |
Lattice Angles | |
Lattice Constants | |
Space Group Name | Im_
3m |
Space Group Number | 229 |
Nuclear Properties |
Half-Life | Stable |
Lifetime | Stable |
Decay Mode | N/A |
Quantum Numbers | 2S1/2 |
Neutron Cross Section | 29 |
Neutron Mass Absorption | 0.0077 |
Known Isotopes | 112Cs, 113Cs, 114Cs, 115Cs, 116Cs, 117Cs, 118Cs, 119Cs, 120Cs, 121Cs, 122Cs, 123Cs, 124Cs, 125Cs, 126Cs, 127Cs, 128Cs, 129Cs, 130Cs, 131Cs, 132Cs, 133Cs, 134Cs, 135Cs, 136Cs, 137Cs, 138Cs, 139Cs, 140Cs, 141Cs, 142Cs, 143Cs, 144Cs, 145Cs, 146Cs, 147Cs, 148Cs, 149Cs, 150Cs, 151Cs |
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Stable Isotopes | |
Isotopic Abundances | |
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