Periodic Table Element Comparison: Compare Elements - Neon vs Astatine
Compare Neon and Astatine
Compare Neon and Astatine 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 Neon vs Astatine with most reliable information about their properties, attributes, facts, uses etc. You can compare Ne vs At on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.
Facts
Name | Neon | Astatine |
Atomic Number | 10 | 85 |
Atomic Symbol | Ne | At |
Atomic Weight | 20.1797 | 210 |
Phase at STP | Gas | Solid |
Color | Colorless | Silver |
Metallic Classification | Noble Gas | Halogens |
Group in Periodic Table | group 18 | group 17 |
Group Name | helium family or neon family | fluorine family |
Period in Periodic Table | period 2 | period 6 |
Block in Periodic Table | p -block | p -block |
Electronic Configuration | [He] 2s2 2p6 | [Xe] 4f14 5d10 6s2 6p5 |
Electronic Shell Structure (Electrons per shell) | 2, 8 | 2, 8, 18, 32, 18, 7 |
Melting Point | 24.56 K | 575 K |
Boiling Point | 27.07 K | - |
CAS Number | CAS7440-01-9 | CAS7440-68-8 |
Neighborhood Elements | Neighborhood Elements of Neon | Neighborhood Elements of Astatine |
History
Name | Neon | Astatine |
History | The element Neon was discovered by W. Ramsay and W. Travers in year 1898 in United Kingdom. Neon derived its name from the Greek neos, meaning 'new'. | The element Astatine was discovered by R. Corson,R. MacKenzie and E. Segrè in year 1940 in United States. Astatine derived its name from the Greek astatos, 'unstable'. |
Discovery | W. Ramsay and W. Travers (1898) | R. Corson,R. MacKenzie and E. Segrè (1940) |
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 %)
Name | Neon | Astatine |
Abundance in Universe | 1300000 / 80000 | - / - |
Abundance in Sun | 1000000 / 70000 | - / - |
Abundance in Meteorites | - / - | - / - |
Abundance in Earth's Crust | 3.0 / 3 | - / - |
Abundance in Oceans | 0.12 / 0.037 | - / - |
Abundance in Humans | - / - | - / - |
Crystal Structure and Atomic Structure
Name | Neon | Astatine |
Atomic Volume | 22.42 cm3/mol | - |
Atomic Radius | 38 pm | 127 pm |
Covalent Radius | 69 pm | - |
Van der Waals Radius | 154 pm | 202 pm |
Atomic Spectrum - Spectral Lines | ||
Emission Spectrum | Not available | |
Absorption Spectrum | Not available | |
Lattice Constant | 442.9, 442.9, 442.9 pm | - |
Lattice Angle | π/2, π/2, π/2 | - |
Space Group Name | Fm_ 3m | - |
Space Group Number | 225 | - |
Crystal Structure | Face Centered Cubic | Face Centered Cubic |
Atomic and Orbital Properties
Name | Neon | Astatine |
Atomic Number | 10 | 85 |
Number of Electrons (with no charge) | 10 | 85 |
Number of Protons | 10 | 85 |
Mass Number | 20.1797 | 210 |
Number of Neutrons | 10 | 125 |
Shell structure (Electrons per energy level) | 2, 8 | 2, 8, 18, 32, 18, 7 |
Electron Configuration | [He] 2s2 2p6 | [Xe] 4f14 5d10 6s2 6p5 |
Valence Electrons | 2s2 2p6 | 6s2 6p5 |
Oxidation State | - | -1, 1 |
Atomic Term Symbol (Quantum Numbers) | 1S0 | 2P3/2 |
Shell structure |
Isotopes and Nuclear Properties
Neon has 3 stable naturally occuring isotopes while Astatine has 0 stable naturally occuring isotopes.
Name | Neon | Astatine |
Known Isotopes | 16Ne, 17Ne, 18Ne, 19Ne, 20Ne, 21Ne, 22Ne, 23Ne, 24Ne, 25Ne, 26Ne, 27Ne, 28Ne, 29Ne, 30Ne, 31Ne, 32Ne, 33Ne, 34Ne | 193At, 194At, 195At, 196At, 197At, 198At, 199At, 200At, 201At, 202At, 203At, 204At, 205At, 206At, 207At, 208At, 209At, 210At, 211At, 212At, 213At, 214At, 215At, 216At, 217At, 218At, 219At, 220At, 221At, 222At, 223At |
Stable Isotopes | Naturally occurring stable isotopes: 20Ne, 21Ne, 22Ne | |
Neutron Cross Section | 0.04 | - |
Neutron Mass Absorption | 0.0006 | - |
Chemical Properties: Ionization Energies and electron affinity
Name | Neon | Astatine |
Valence or Valency | 0 | 7 |
Electronegativity | - | 2.2 Pauling Scale |
Electron Affinity | 0 kJ/mol | 270.1 kJ/mol |
Ionization Energies | 1st: 2080.7 kJ/mol 2nd: 3952.3 kJ/mol 3rd: 6122 kJ/mol 4th: 9371 kJ/mol 5th: 12177 kJ/mol 6th: 15238 kJ/mol 7th: 19999 kJ/mol 8th: 23069.5 kJ/mol 9th: 115379.5 kJ/mol 10th: 131432 kJ/mol | 1st: 899.003 kJ/mol |
Physical Properties
Name | Neon | Astatine |
Density | 0.0009 g/cm3 | - |
Molar Volume | 22.42 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 | 0.0491 W/(m K) | 2 W/(m K) |
Thermal Expansion | - | - |
Magnetic Properties | ||
Magnetic Type | Diamagnetic | - |
Curie Point | - | - |
Mass Magnetic Susceptibility | -4.1e-9 m3/kg | - |
Molar Magnetic Susceptibility | -8.27e-11 m3/mol | - |
Volume Magnetic Susceptibility | -3.69e-9 | - |
Optical Properties | ||
Refractive Index | 1.000067 | - |
Acoustic Properties | ||
Speed of Sound | 936 m/s | - |
Thermal Properties - Enthalpies and thermodynamics
Name | Neon | Astatine |
Melting Point | 24.56 K | 575 K |
Boiling Point | 27.07 K | - |
Critical Temperature | 44.4 K | - |
Superconducting Point | - | - |
Enthalpies | ||
Heat of Fusion | 0.34 kJ/mol | 6 kJ/mol |
Heat of Vaporization | 1.75 kJ/mol | 40 kJ/mol |
Heat of Combustion | - | - |
Regulatory and Health - Health and Safety Parameters and Guidelines
Name | Neon | Astatine |
CAS Number | CAS7440-01-9 | CAS7440-68-8 |
RTECS Number | RTECSQP4450000 | - |
DOT Hazard Class | 2.2 | - |
DOT Numbers | 1913 | - |
EU Number | - | - |
NFPA Fire Rating | - | - |
NFPA Health Rating | - | - |
NFPA Reactivity Rating | - | - |
NFPA Hazards | - | - |
AutoIgnition Point | - | - |
Flashpoint | - | - |
Compare With Other Elements
Compare Neon with all Group 18 elementsCompare Neon with all Period 2 elementsNeon vs LithiumNeon vs BerylliumNeon vs BoronNeon vs CarbonNeon vs NitrogenNeon vs OxygenNeon vs Fluorine Compare Neon with all Noble Gas elements | Compare Astatine with all Group 17 elementsCompare Astatine with all Period 6 elementsAstatine vs PraseodymiumAstatine vs CesiumAstatine vs BariumAstatine vs LanthanumAstatine vs CeriumAstatine vs NeodymiumAstatine vs PromethiumAstatine vs SamariumAstatine vs EuropiumAstatine vs GadoliniumAstatine vs TerbiumAstatine vs DysprosiumAstatine vs HolmiumAstatine vs ErbiumAstatine vs ThuliumAstatine vs YtterbiumAstatine vs LutetiumAstatine vs HafniumAstatine vs TantalumAstatine vs TungstenAstatine vs RheniumAstatine vs OsmiumAstatine vs IridiumAstatine vs PlatinumAstatine vs GoldAstatine vs MercuryAstatine vs ThalliumAstatine vs LeadAstatine vs BismuthAstatine vs PoloniumAstatine vs Radon Compare Astatine with all Halogens elements |