General: |
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Name: Dubnium
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Symbol: Db
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Group: Trans. Met.
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Atomic weight: (262)
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Density @ 293 K: ?
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Atomic volume: ?
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Group: Trans. Met.
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Discovered: 1964
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States: |
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state (s, l, g): s
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melting point: ?
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boiling point: ?
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Heat of fusion: ?
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Heat of vaporization: ?
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Energies: |
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1st ionization energy: ?
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electronegativity: ?
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2nd ionization energy: ?
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electron affinity: ?
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3rd ionization energy: ?
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Specific heat: ?
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heat atomization: ?
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Oxidation & Electrons: |
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Shells: 2,8,18,32,32,11,2
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electron configuration: [Rn] 5f14 6d3 7s2
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minimum oxidation number: ?
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maximum oxidation number: ?
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min. common oxidation no.: ?
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max. common oxidation no.: ?
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Appearance & Characteristics: |
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structure: uknown
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color: uknown
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uses: uknown
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toxicity:
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hardness: uknown
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characteristics: synthetically prepared
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Reactions: |
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reaction with air: ?
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reaction with 6M HCl: ?
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reaction with 6M HCl: ?
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reaction with 15M HNO3: ?
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reaction with 6M NaOH:
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Other Forms: |
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number of isotopes: ?
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hydride(s): ?
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oxide(s): ?
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chloride(s): ?
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Radius: |
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ionic radius (2- ion): ?
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ionic radius (1- ion): ?
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atomic radius: ?
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ionic radius (1+ ion): ?
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ionic radius (2+ ion): ?
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ionic radius (3+ ion): ?
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Conductivity: |
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thermal conductivity: 0.58 W/cmK
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electrical conductivity: ?
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polarizability: ?
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Abundance: |
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source: synthetically prepared
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rel. abund. solar system: ?
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abundance earth's crust: ?
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cost, pure: ?
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cost, bulk: ?
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