atomic number 105

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atomic number 105

A scientist points to the atomic number 105 on a large periodic table poster.

Definition
  1. Noun:
    • A transuranic element: "atomic number 105" is a systematic name for a synthetic, radioactive chemical element with the atomic number 105. It is also known by the temporary systematic name unnilpentium (Unp) and the permanent name dubnium (Db).
Usage Examples
  • Noun:
    • The discovery of atomic number 105 was claimed by research teams in the United States and the Soviet Union.
    • Scientists are studying the chemical properties of atomic number 105.
    • Elements like atomic number 105 are produced in particle accelerators.
Advanced Usage
  • In scientific nomenclature: The term "atomic number 105" is part of a systematic naming convention for elements, especially before a permanent name is officially assigned by the International Union of Pure and Applied Chemistry (IUPAC).
    • Before it was named dubnium, the element was referred to as atomic number 105.
Variants and Related Words
  • Dubnium (Db): The permanent name for the element with atomic number 105.
    • Dubnium, atomic number 105, is highly unstable.
  • Unnilpentium (Unp): A temporary systematic name based on the element's atomic number (1-0-5, from Latin roots , , ).
    • Unnilpentium was an interim designation for atomic number 105.
Synonyms
  • Element 105: A direct synonym.
  • Db: The chemical symbol for dubnium.
  • Hahnium (Ha): A former name proposed by the American team, now obsolete.
atomic number 105

A scientist points to the atomic number 105 on a large periodic table poster.

Noun
  1. a transuranic element

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