Dubnium Element Properties, Transition metals Group, Periodic Table of the Elements
Dubnium
|
Dubnium Element Properties |
| General |
| Name | Dubnium |
| Symbol | Db |
| Number | 105 |
| Group Number | 5 |
| Group | Transition metals |
| Block | d |
| Density | Nil |
| Atomic Weight | 262 |
| Atomic Volume | Nil |
| Discover | 1964 |
|
| States |
| State | Solid |
| Melting Point | Nil |
| Boiling Point | Nil |
| Triple Point | Nil |
| Critical Point | Nil |
| Heat of Fusion | Nil |
| Heat of Vaporization | Nil |
|
| Energies |
| First Ionization Energy | Nil |
| Second Ionization Energy | Nil |
| Third Ionization Energy | Nil |
| Electronegativity | Nil |
| Electron Affinity | Nil |
| Specific Heat | Nil |
| Heat Atomization | Nil |
|
| Oxidation and Electrons |
| Shells | 2,8,18,32,32,11,2 |
| Electron Configuration | [Rn] 5f14 6d3 7s2 |
| Minimum Oxidation Number | 0 |
| Maximum Oxidation Number | 0 |
| Minimum Common Oxidation Number | 0 |
| Maximum Common Oxidation Number | 0 |
|
| Appearance and Characteristics |
| Crystal Structure | Nil |
| Characteristics | synthetically prepared |
| Color | Nil |
| Uses | Nil |
| Hardness | Nil |
| Toxicity | None |
|
| Reactions |
| Reaction with Air | None |
| Reaction with 6M HCl | None |
| Reaction with 15M HNO3 | None |
| Reaction with 6M NaOH | None |
|
| Other Forms |
| Number of Isotopes | Nil |
| Hydride | None |
| Oxide | None |
| Chloride | None |
|
| Radius |
| Atomic Radius | Nil |
| Ionic Radius (1+ ion) | Nil |
| Ionic Radius (1- ion) | Nil |
| Ionic Radius (2+ ion) | Nil |
| Ionic Radius (2- ion) | Nil |
| Ionic Radius (3+ ion) | Nil |
|
| Conductivity |
| Thermal Conductivity | 0.58 W/cmK |
| Electrical Conductivity | Nil |
| Polarizability | Nil |
|
| Abundance |
| Source | synthetically prepared |
| Relation Abundance Solar System | Nil |
| Abundance Earth's Crust | Nil |
|
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