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Classifications |
Alternate Names | None |
Names of Allotropes | Difluorine |
Block | p |
Group | 17 |
Period | 2 |
Series | Halogen |
Electron Configuration | [He]2s22p5 |
Color | Colorless |
Discovery | |
Gas phase | Diatomic |
CAS Number | CAS7782-41-4 |
CID Number | |
RTECS Number | |
Electrical properties |
Electrical Type | N/A |
Electrical Conductivity | N/A |
Resistivity | N/A |
Superconducting Point | N/A |
Magnetic properties |
Magnetic Type | N/A |
Curie Point | N/A |
Mass Magnetic Susceptibility | N/A |
Molar Magnetic Susceptibility | N/A |
Volume Magnetic Susceptibility | N/A |
Abundances |
% in Universe | 0.00004% |
% in Sun | 0.00005% |
% in Meteorites | 0.0087% |
% in Earth's Crust | 0.054% |
% in Oceans | 0.00013% |
% in Humans | 0.0037% |
Atomic dimensions and structure |
Atomic Radius | 42 pm |
Covalent Radius | 57 pm |
Van der Waals Radius | 147 pm |
Crystal Structure | Base-centered Monoclinic |
Lattice Angles | |
Lattice Constants | |
Space Group Name | C12/c1 |
Space Group Number | 15 |
Nuclear Properties |
Half-Life | Stable |
Lifetime | Stable |
Decay Mode | N/A |
Quantum Numbers | 2P3/2 |
Neutron Cross Section | 0.0096 |
Neutron Mass Absorption | 0.00002 |
Known Isotopes | 14F, 15F, 16F, 17F, 18F, 19F, 20F, 21F, 22F, 23F, 24F, 25F, 26F, 27F, 28F, 29F, 30F, 31F |
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Stable Isotopes | |
Isotopic Abundances | |
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