Periodic Table Element Comparison: Compare Elements - Nihonium vs Roentgenium
Compare Nihonium and Roentgenium
Compare Nihonium and Roentgenium 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 Nihonium vs Roentgenium with most reliable information about their properties, attributes, facts, uses etc. You can compare Nh vs Rg on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.
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| 1 | | | Atomic # Electronic Shell # Symbol Name Atomic Weight Metals | Metalloids | NonMetals | Alkali metals | Alkali earth metals | Lanthanoids | Transition metals | Post-transition metals | Other nonmetals | Halogens | Nobel gas | Actinoids |
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| 2 | | | | | | | | |
| 3 | | | | | | | | |
| 4 | | | | | | | | | | | | | | | | | | |
| 5 | | | | | | | | | | | | | | | | | | |
| 6 | | | 57 - 71
La - Lu Lanthanides | | | | | | | | | | | | | | | |
| 7 | | | 89 - 103
Ac - Lr Actinides | | | | | | | | | | | | | | | |
| Lanthanides | | | | | | | | | | | | | | | |
| Actinides | | | | | | | | | | | | | | | |
Facts
| Name | Nihonium | Roentgenium |
| Atomic Number | 113 | 111 |
| Atomic Symbol | Nh | Rg |
| Atomic Weight | 284 | 272 |
| Phase at STP | Solid | Solid |
| Color | - | - |
| Metallic Classification | Post Transition Metal | Transition Metal |
| Group in Periodic Table | group 13 | group 11 |
| Group Name | boron family | copper family |
| Period in Periodic Table | period 7 | period 7 |
| Block in Periodic Table | p -block | d -block |
| Electronic Configuration | [Rn] 5f14 6d10 7s2 7p1 | [Rn] 5f14 6d10 7s1 |
| Electronic Shell Structure (Electrons per shell) | 2, 8, 18, 32, 32, 18, 3 | 2, 8, 18, 32, 32, 17, 2 |
| Melting Point | - | - |
| Boiling Point | - | - |
| CAS Number | CAS54084-70-7 | CAS54386-24-2 |
| Neighborhood Elements | Neighborhood Elements of Nihonium | Neighborhood Elements of Roentgenium |
History
| History | The element Nihonium was discovered by K. Morita et al.(RIKENin Wako, Japan) in year 2004 in Russia and United States. Nihonium derived its name from the Japanese name for Japan, Nihon, where the element was first synthesized. | The element Roentgenium was discovered by S. Hofmann et al.(GSI in Darmstadt) in year 1995 in Germany. Roentgenium derived its name from Wilhelm Conrad Röntgen, physicist. |
| Discovery | K. Morita et al.(RIKENin Wako, Japan) (2004) | S. Hofmann et al.(GSI in Darmstadt) (1995) |
| Isolated | () | () |
Presence: Abundance in Nature and Around Us
Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)
Crystal Structure and Atomic Structure
Atomic and Orbital Properties
| Atomic Number | 113 | 111 |
| Number of Electrons (with no charge) | 113 | 111 |
| Number of Protons | 113 | 111 |
| Mass Number | 284 | 272 |
| Number of Neutrons | 171 | 161 |
| Shell structure (Electrons per energy level) | 2, 8, 18, 32, 32, 18, 3 | 2, 8, 18, 32, 32, 17, 2 |
| Electron Configuration | [Rn] 5f14 6d10 7s2 7p1 | [Rn] 5f14 6d10 7s1 |
| Valence Electrons | 7s2 7p1 | 6d10 7s1 |
| Oxidation State | - | - |
| Atomic Term Symbol (Quantum Numbers) | 2P1/2 | 2S1/2 |
| Shell structure |  |  |
Isotopes and Nuclear Properties
Nihonium has 0 stable naturally occuring isotopes while Roentgenium has 0 stable naturally occuring isotopes.
| Known Isotopes | 283Nh, 284Nh, 285Nh, 286Nh, 287Nh | 272Rg, 273Rg, 274Rg, 275Rg, 276Rg, 277Rg, 278Rg, 279Rg, 280Rg, 281Rg, 282Rg, 283Rg |
| Stable Isotopes | - | |
| Neutron Cross Section | - | - |
| Neutron Mass Absorption | - | - |
Chemical Properties: Ionization Energies and electron affinity
Physical Properties
Thermal Properties - Enthalpies and thermodynamics
Regulatory and Health - Health and Safety Parameters and Guidelines
Compare With Other Elements
Compare Nihonium with all Group 13 elementsCompare Nihonium with all Period 7 elementsCompare Nihonium with all Post Transition Metal elements | Compare Roentgenium with all Group 11 elementsCompare Roentgenium with all Period 7 elementsCompare Roentgenium with all Transition Metal elements |
