Db

Dubnium

Z 105 268.0 g/molTransition Metal Radioactive

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

5

Period

7

Block

d

Occurrence

Synthetic

Biological Role

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History

1968 (discovery)

Joint Institute for Nuclear Research

1970 (discovery)

Lawrence Berkeley National Laboratory

Named By

---

Latin Name

Dubnium

Abundance

Universe

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x