Periodic Table Element Comparison: Compare Elements - Hydrogen vs Roentgenium
Compare Hydrogen and Roentgenium
Compare Hydrogen 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 Hydrogen vs Roentgenium with most reliable information about their properties, attributes, facts, uses etc. You can compare H 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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6 | | | 57 - 71 La - Lu Lanthanides | | | | | | | | | | | | | | | |
7 | | | 89 - 103 Ac - Lr Actinides | | | | | | | | | | | | | | | |
| Lanthanides | | | | | | | | | | | | | | | |
| Actinides | | | | | | | | | | | | | | | |
Facts
History
Name | Hydrogen | Roentgenium |
History | The element Hydrogen was discovered by H. Cavendish in year 1766 in United Kingdom. Hydrogen derived its name from the Greek elements hydro- and -gen meaning 'water-forming'. | 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 | H. Cavendish (1766) | S. Hofmann et al.(GSI in Darmstadt) (1995) |
Isolated | Paracelsus (1500) | () |
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
Name | Hydrogen | Roentgenium |
Atomic Number | 1 | 111 |
Number of Electrons (with no charge) | 1 | 111 |
Number of Protons | 1 | 111 |
Mass Number | 1.00794 | 272 |
Number of Neutrons | 0 | 161 |
Shell structure (Electrons per energy level) | 1 | 2, 8, 18, 32, 32, 17, 2 |
Electron Configuration | 1s1 | [Rn] 5f14 6d10 7s1 |
Valence Electrons | 1s1 | 6d10 7s1 |
Oxidation State | -1, 1 | - |
Atomic Term Symbol (Quantum Numbers) | 2S1/2 | 2S1/2 |
Shell structure | | |
Isotopes and Nuclear Properties
Hydrogen has 2 stable naturally occuring isotopes while Roentgenium has 0 stable naturally occuring isotopes.
Name | Hydrogen | Roentgenium |
Known Isotopes | 1H, 2H, 3H, 4H, 5H, 6H, 7H | 272Rg, 273Rg, 274Rg, 275Rg, 276Rg, 277Rg, 278Rg, 279Rg, 280Rg, 281Rg, 282Rg, 283Rg |
Stable Isotopes | Naturally occurring stable isotopes: 1H, 2H | |
Neutron Cross Section | 0.332 | - |
Neutron Mass Absorption | 0.011 | - |
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 Hydrogen with all Group 1 elementsCompare Hydrogen with all Period 1 elementsCompare Hydrogen with all Other Nonmetal elements | Compare Roentgenium with all Group 11 elementsCompare Roentgenium with all Period 7 elementsCompare Roentgenium with all Transition Metal elements |