Compare Neon vs Actinium: Periodic Table Element Comparison Table and Properties
Compare the elements Neon and Actinium on the basis of their properties, attributes and periodic table facts. Compare elements - Neon and Actinium comparison table side by side across over 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 Actinium with most reliable information about their properties, attributes, facts, uses etc. You can compare Ne vs Ac on more than 90 properties like electronegativity, oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more. This in-depth comparison helps students, educators, researchers, and science enthusiasts understand the differences and similarities between Neon and Actinium.
Neon and Actinium Comparison
Here's a detailed comparison between Neon (Ne) and Actinium (Ac), focusing on their position in the periodic table, physical and chemical properties, stability, and uses.
Facts - Basic Element Details
| Name | Neon | Actinium |
|---|---|---|
| Atomic Number | 10 | 89 |
| Atomic Symbol | Ne | Ac |
| Atomic Weight | 20.1797 | 227 |
| Phase at STP | Gas | Solid |
| Color | Colorless | Silver |
| Metallic Classification | Noble Gas | Actinide |
| Group in Periodic Table | group 18 | Actinide (no group number) |
| Group Name | helium family or neon family | |
| Period in Periodic Table | period 2 | period 7 |
| Block in Periodic Table | p -block | f -block |
| Electronic Configuration | [He] 2s2 2p6 | [Rn] 6d1 7s2 |
| Electronic Shell Structure (Electrons per shell) | 2, 8 | 2, 8, 18, 32, 18, 9, 2 |
| Melting Point | 24.56 K | 1323 K |
| Boiling Point | 27.07 K | 3473 K |
| CAS Number | CAS7440-01-9 | CAS7440-34-8 |
| Neighborhood Elements | Neighborhood Elements of Neon | Neighborhood Elements of Actinium |
History
| Parameter | Neon | Actinium |
|---|---|---|
| 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 Actinium was discovered by F. O. Giesel in year 1902 in France. Actinium derived its name from the Greek aktis, 'ray'. |
| Discovery | W. Ramsay and W. Travers (1898) | F. O. Giesel (1902) |
| Isolated | W. Ramsay and W. Travers (1898) | F. O. Giesel (1902) |
Presence: Abundance in Nature and Around Us
Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)
| Property | Neon | Actinium |
|---|---|---|
| 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
| Property | Neon | Actinium |
|---|---|---|
| Atomic Volume | 22.42 cm3/mol | 22.5422 cm3/mol |
| Atomic Radius | 38 pm | 195 pm |
| Covalent Radius | 69 pm | - |
| Van der Waals Radius | 154 pm | - |
Atomic Spectrum - Spectral Lines | ||
| Emission Spectrum |  |  |
| Absorption Spectrum |  |  |
| Lattice Constant | 442.9, 442.9, 442.9 pm | 567, 567, 567 pm |
| Lattice Angle | π/2, π/2, π/2 | π/2, π/2, π/2 |
| Space Group Name | Fm_ 3m | Fm_ 3m |
| Space Group Number | 225 | 225 |
| Crystal Structure | Face Centered Cubic  | Face Centered Cubic |
Atomic and Orbital Properties
| Property | Neon | Actinium |
|---|---|---|
| Atomic Number | 10 | 89 |
| Number of Electrons (with no charge) | 10 | 89 |
| Number of Protons | 10 | 89 |
| Mass Number | 20.1797 | 227 |
| Number of Neutrons | 10 | 138 |
| Shell structure (Electrons per energy level) | 2, 8 | 2, 8, 18, 32, 18, 9, 2 |
| Electron Configuration | [He] 2s2 2p6 | [Rn] 6d1 7s2 |
| Valence Electrons | 2s2 2p6 | 6d1 7s2 |
| Oxidation State | - | 3 |
| Atomic Term Symbol (Quantum Numbers) | 1S0 | 2D3/2 |
| Shell structure |  |  |
Isotopes and Nuclear Properties
Neon has 3 stable naturally occuring isotopes while Actinium has 0 stable naturally occuring isotopes.
| Parameter | Neon | Actinium |
|---|---|---|
| Known Isotopes | 16Ne, 17Ne, 18Ne, 19Ne, 20Ne, 21Ne, 22Ne, 23Ne, 24Ne, 25Ne, 26Ne, 27Ne, 28Ne, 29Ne, 30Ne, 31Ne, 32Ne, 33Ne, 34Ne | 206Ac, 207Ac, 208Ac, 209Ac, 210Ac, 211Ac, 212Ac, 213Ac, 214Ac, 215Ac, 216Ac, 217Ac, 218Ac, 219Ac, 220Ac, 221Ac, 222Ac, 223Ac, 224Ac, 225Ac, 226Ac, 227Ac, 228Ac, 229Ac, 230Ac, 231Ac, 232Ac, 233Ac, 234Ac, 235Ac, 236Ac |
| Stable Isotopes | Naturally occurring stable isotopes: 20Ne, 21Ne, 22Ne | |
| Neutron Cross Section | 0.04 | 810 |
| Neutron Mass Absorption | 0.0006 | 0.079 |
Chemical Properties: Ionization Energies and electron affinity
| Property | Neon | Actinium |
|---|---|---|
| Valence or Valency | 0 | 3 |
| Electronegativity | - | 1.1 Pauling Scale |
| Oxidation State | - | 3 |
| Electron Affinity | 0 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: 499 kJ/mol 2nd: 1170 kJ/mol |
Physical Properties
Neon (0.0009 g/cm³) is less dense than Actinium (10.07 g/cm³). This means that a given volume of Actinium will be heavier than the same volume of Neon. Actinium is about 1118788.9 denser than Neon
| Property | Neon | Actinium |
|---|---|---|
| Phase at STP | Gas | Solid |
| Color | Colorless | Silver |
| Density | 0.0009 g/cm3 | 10.07 g/cm3 |
| Density (when liquid (at melting point)) | - | - |
| Molar Volume | 22.42 cm3/mol | 22.5422 cm3/mol |
Mechanical and Hardness Properties
| Property | Neon | Actinium |
|---|---|---|
Elastic Properties | ||
| Young Modulus | - | - |
| Shear Modulus | - | - |
| Bulk Modulus | - | - |
| Poisson Ratio | - | - |
Hardness - Tests to Measure of Hardness of Element | ||
| Mohs Hardness | - | - |
| Vickers Hardness | - | - |
| Brinell Hardness | - | - |
Thermal and Electrical Conductivity
| Property | Neon | Actinium |
|---|---|---|
Heat and Conduction Properties | ||
| Thermal Conductivity | 0.0491 W/(m K) | 12 W/(m K) |
| Thermal Expansion | - | - |
Electrical Properties | ||
| Electrical Conductivity | - | - |
| Resistivity | - | - |
| Superconducting Point | - | - |
Magnetic and Optical Properties
| Property | Neon | Actinium |
|---|---|---|
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
| Property | Neon | Actinium |
|---|---|---|
| Melting Point | 24.56 K | 1323 K |
| Boiling Point | 27.07 K | 3473 K |
| Critical Temperature | 44.4 K | - |
| Superconducting Point | - | - |
Enthalpies | ||
| Heat of Fusion | 0.34 kJ/mol | 14 kJ/mol |
| Heat of Vaporization | 1.75 kJ/mol | 400 kJ/mol |
| Heat of Combustion | - | - |
Regulatory and Health - Health and Safety Parameters and Guidelines
| Parameter | Neon | Actinium |
|---|---|---|
| CAS Number | CAS7440-01-9 | CAS7440-34-8 |
| 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 Neon and Actinium With Other Elements
Compare Neon and Actinium with other elements of the periodic table. Explore howNeon and Actinium stack up against other elements of the periodic table. Use our interactive comparison tool to analyze 90+ properties across different metals, non-metals, metalloids, and noble gases. Understanding these differences is crucial for applications in engineering, chemistry, electronics, biology, and material science.