Dubnium (Db)

Atomic Number105
Atomic Mass268 u
CategoryTransition metal
Electron Config*[Rn] 5f¹⁴ 6d³ 7s²
Crystal StructureBody-centered Cubic (predicted)
Discovered ByJoint Institute for Nuclear Research (1967)

Brief Introduction

Dubnium (Db) is a synthetic, radioactive transactinide element. Key details about Dubnium (Db) are as follows:

Uses: No practical applications. Used only in scientific research to study superheavy element chemistry.

Production/Extraction: Produced by bombarding americium or californium with neon ions in particle accelerators. Only a few atoms are produced at a time.

History: Discovered independently in 1968-1970 by teams at Dubna, Russia and UC Berkeley. Named after Dubna, Russia, after a naming controversy.

Health Effects & Safety: Highly radioactive. Extreme rarity means no health data.

Price/Market: Not commercially available. Produced only for research.

Properties: Radioactive, most stable isotope Db-268 has half-life of about 28 hours, expected to behave chemically similar to tantalum.

← Rutherfordium (Rf) · Seaborgium (Sg) →

Periodic Table