dubnium

Thân thiện

Scientists study the properties of dubnium in a laboratory.

Definition

1. Noun:
   • A transuranic element: Dubnium is a synthetic chemical element with the symbol Db and atomic number 105. It is a highly radioactive metal, produced artificially in particle accelerators.

Usage Examples

• Noun:
  • Scientists synthesized a few atoms of dubnium in the laboratory.
  • Dubnium is part of the transuranium series in the periodic table.
  • Due to its extreme instability, the properties of dubnium are difficult to study.

Advanced Usage

• In scientific nomenclature: The name "dubnium" is used in the systematic naming of chemical compounds and elements, following IUPAC conventions.
  • The discovery of dubnium was confirmed by joint teams of Russian and American researchers.

Variants and Related Words

• Element 105: A historical and systematic name referring to dubnium based on its atomic number.
• Hahnium (Hn): A former proposed name for this element, now obsolete.

Synonyms

• Db: The chemical symbol for dubnium.
• Transuranic element: A general term for any synthetic element with an atomic number greater than uranium (92).

Học thuật

Noun

1. a transuranic element

Từ đồng nghĩa

• Db
• hahnium
• element 105
• atomic number 105