Periodic Table Element Comparison: Compare Elements - Xenon vs Francium
Compare Xenon and Francium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Xenon vs Francium with most reliable information about their properties, attributes, facts, uses etc. You can compare Xe vs Fr on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more. Xenon and Francium comparison table on more than 90 properties.
Xenon and Francium Comparison
Facts
| Name | Xenon | Francium |
|---|---|---|
| Atomic Number | 54 | 87 |
| Atomic Symbol | Xe | Fr |
| Atomic Weight | 131.293 | 223 |
| Phase at STP | Gas | Solid |
| Color | Colorless | Silver |
| Metallic Classification | Noble Gas | Alkali Metal |
| Group in Periodic Table | group 18 | group 1 |
| Group Name | helium family or neon family | lithium family |
| Period in Periodic Table | period 5 | period 7 |
| Block in Periodic Table | p -block | s -block |
| Electronic Configuration | [Kr] 4d10 5s2 5p6 | [Rn] 7s1 |
| Electronic Shell Structure (Electrons per shell) | 2, 8, 18, 18, 8 | 2, 8, 18, 32, 18, 8, 1 |
| Melting Point | 161.3 K | 281 K |
| Boiling Point | 165.1 K | - |
| CAS Number | CAS7440-63-3 | CAS7440-73-5 |
| Neighborhood Elements | Neighborhood Elements of Xenon | Neighborhood Elements of Francium |
History
| Parameter | Xenon | Francium |
|---|---|---|
| History | The element Xenon was discovered by W. Ramsay and W. Travers in year 1898 in United Kingdom. Xenon derived its name from the Greek xenos, meaning 'strange'. | The element Francium was discovered by M. Perey in year 1939 in France. Francium derived its name from Francia, the New Latin name for France. |
| Discovery | W. Ramsay and W. Travers (1898) | M. Perey (1939) |
| Isolated | W. Ramsay and W. Travers (1898) | () |
Presence: Abundance in Nature and Around Us
Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)
| Property | Xenon | Francium |
|---|---|---|
| Abundance in Universe | 10 / 0.09 | - / - |
| Abundance in Sun | - / - | - / - |
| Abundance in Meteorites | - / - | - / - |
| Abundance in Earth's Crust | 0.020 / 0.003 | - / - |
| Abundance in Oceans | 0.005 / 0.00024 | - / - |
| Abundance in Humans | - / - | - / - |
Crystal Structure and Atomic Structure
| Property | Xenon | Francium |
|---|---|---|
| Atomic Volume | 22.4128 cm3/mol | - |
| Atomic Radius | 108 pm | - |
| Covalent Radius | 130 pm | - |
| Van der Waals Radius | 216 pm | 348 pm |
Atomic Spectrum - Spectral Lines | ||
| Emission Spectrum |  | Not available |
| Absorption Spectrum |  | Not available |
| Lattice Constant | 620.23, 620.23, 620.23 pm | - |
| Lattice Angle | π/2, π/2, π/2 | - |
| Space Group Name | Fm_ 3m | - |
| Space Group Number | 225 | - |
| Crystal Structure | Face Centered Cubic  | Body Centered Cubic  |
Atomic and Orbital Properties
| Property | Xenon | Francium |
|---|---|---|
| Atomic Number | 54 | 87 |
| Number of Electrons (with no charge) | 54 | 87 |
| Number of Protons | 54 | 87 |
| Mass Number | 131.293 | 223 |
| Number of Neutrons | 77 | 136 |
| Shell structure (Electrons per energy level) | 2, 8, 18, 18, 8 | 2, 8, 18, 32, 18, 8, 1 |
| Electron Configuration | [Kr] 4d10 5s2 5p6 | [Rn] 7s1 |
| Valence Electrons | 5s2 5p6 | 7s1 |
| Oxidation State | 0 | 1 |
| Atomic Term Symbol (Quantum Numbers) | 1S0 | 2S1/2 |
| Shell structure |  |  |
Isotopes and Nuclear Properties
Xenon has 9 stable naturally occuring isotopes while Francium has 0 stable naturally occuring isotopes.
| Parameter | Xenon | Francium |
|---|---|---|
| Known Isotopes | 110Xe, 111Xe, 112Xe, 113Xe, 114Xe, 115Xe, 116Xe, 117Xe, 118Xe, 119Xe, 120Xe, 121Xe, 122Xe, 123Xe, 124Xe, 125Xe, 126Xe, 127Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 133Xe, 134Xe, 135Xe, 136Xe, 137Xe, 138Xe, 139Xe, 140Xe, 141Xe, 142Xe, 143Xe, 144Xe, 145Xe, 146Xe, 147Xe | 199Fr, 200Fr, 201Fr, 202Fr, 203Fr, 204Fr, 205Fr, 206Fr, 207Fr, 208Fr, 209Fr, 210Fr, 211Fr, 212Fr, 213Fr, 214Fr, 215Fr, 216Fr, 217Fr, 218Fr, 219Fr, 220Fr, 221Fr, 222Fr, 223Fr, 224Fr, 225Fr, 226Fr, 227Fr, 228Fr, 229Fr, 230Fr, 231Fr, 232Fr |
| Stable Isotopes | Naturally occurring stable isotopes: 124Xe, 126Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 134Xe, 136Xe | |
| Neutron Cross Section | 25 | - |
| Neutron Mass Absorption | 0.0083 | - |
Chemical Properties: Ionization Energies and electron affinity
| Property | Xenon | Francium |
|---|---|---|
| Valence or Valency | 6 | 1 |
| Electronegativity | 2.6 Pauling Scale | 0.79 Pauling Scale |
| Electron Affinity | 0 kJ/mol | - |
| Ionization Energies | 1st: 1170.4 kJ/mol 2nd: 2046.4 kJ/mol 3rd: 3099.4 kJ/mol | 1st: 380 kJ/mol |
Physical Properties
| Property | Xenon | Francium |
|---|---|---|
| Density | 0.0059 g/cm3 | - |
| Molar Volume | 22.4128 cm3/mol | - |
Elastic Properties | ||
| Young Modulus | - | - |
| Shear Modulus | - | - |
| Bulk Modulus | - | - |
| Poisson Ratio | - | - |
Hardness - Tests to Measure of Hardness of Element | ||
| Mohs Hardness | - | - |
| Vickers Hardness | - | - |
| Brinell Hardness | - | - |
Electrical Properties | ||
| Electrical Conductivity | - | - |
| Resistivity | - | - |
| Superconducting Point | - | - |
Heat and Conduction Properties | ||
| Thermal Conductivity | 0.00565 W/(m K) | - |
| Thermal Expansion | - | - |
Magnetic Properties | ||
| Magnetic Type | Diamagnetic | - |
| Curie Point | - | - |
| Mass Magnetic Susceptibility | -4.3e-9 m3/kg | - |
| Molar Magnetic Susceptibility | -5.65e-10 m3/mol | - |
| Volume Magnetic Susceptibility | -2.54e-8 | - |
Optical Properties | ||
| Refractive Index | 1.000702 | - |
Acoustic Properties | ||
| Speed of Sound | 1090 m/s | - |
Thermal Properties - Enthalpies and thermodynamics
| Property | Xenon | Francium |
|---|---|---|
| Melting Point | 161.3 K | 281 K |
| Boiling Point | 165.1 K | - |
| Critical Temperature | 289.77 K | - |
| Superconducting Point | - | - |
Enthalpies | ||
| Heat of Fusion | 2.3 kJ/mol | 2 kJ/mol |
| Heat of Vaporization | 12.64 kJ/mol | 65 kJ/mol |
| Heat of Combustion | - | - |
Regulatory and Health - Health and Safety Parameters and Guidelines
| Parameter | Xenon | Francium |
|---|---|---|
| CAS Number | CAS7440-63-3 | CAS7440-73-5 |
| RTECS Number | RTECSZE1280000 | - |
| DOT Hazard Class | 2.2 | - |
| DOT Numbers | 2591 | - |
| EU Number | EU231-172-7 | - |
| NFPA Fire Rating | - | - |
| NFPA Health Rating | - | - |
| NFPA Reactivity Rating | - | - |
| NFPA Hazards | - | - |
| AutoIgnition Point | - | - |
| Flashpoint | - | - |
Compare With Other Elements
Compare Xenon and Francium with other elements of the periodic table.