Dubnium

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Dubnium
Db
In situ availability: unavailable
Necessity:
Atomic number: 105
Atomic mass: [262]
group: 5
period: 7
normal phase:
series: Transition Metals
density:
melting point:
boiling point:
HfTaW
Rf ← Db → Sg
N/AN/AN/A
Atomic radius (pm):
Bohr radius (pm): 139
Covalent radius (pm): 66
Van der Waals radius (pm):
ionic radius (pm):
1st ion potential (eV):
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p6 4d10 4f14
5s2 5p6 5d10 5f14
6s2 6p6 6d3
7s2
Electrons Per Shell
2, 8, 18, 32, 32, 11, 2
Electronegativity:
Electron Affinity:
Oxidation states:
Magnetism:
Crystal structure: Body centered cubic

Dubnium is a Transition Metal in group 5. It has a Body centered cubic crystalline structure. It does not have any isotopes considered to be natural. Its longest-lived known isotope has an atomic number of 262. This element has no stable isotopes.




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