element 105

Thân thiện

A scientist points to the symbol for element 105 on a large periodic table.

Definition

1. Noun:
   • A synthetic radioactive chemical element: "element 105" refers to a man-made, radioactive element with the atomic number 105.
   • A transuranic element: It is classified as a transuranic element, meaning it is heavier than uranium (atomic number 92) and is not found naturally on Earth.

Usage Examples

• Noun:
  • Scientists synthesized element 105 in a laboratory.
  • The properties of element 105 are studied in nuclear physics.

Advanced Usage

• "Synthesis of element 105": Refers to the process of creating this element in a particle accelerator.

  • The synthesis of element 105 was a significant achievement in chemistry.

• "Isotopes of element 105": Refers to the different atomic forms of this element.

  • Researchers are investigating the decay chains of various isotopes of element 105.

Variants and Related Words

• Dubnium (Db): The current official name for element 105.

  • Dubnium, formerly known as element 105, is named after the town of Dubna in Russia.

• Hahnium (Ha): A former, now obsolete, proposed name for this element.

  • The name hahnium was once used for element 105.

• Transuranium element: The category to which element 105 belongs.

  • Plutonium and element 105 are both transuranium elements.

Synonyms

• Dubnium: The modern, IUPAC-approved name.
• Transuranic element 105: A descriptive synonym emphasizing its classification.

Related Phrases

• "To discover element 105": To be credited with its first successful synthesis and identification.
  • Teams from the United States and Russia both claimed to discover element 105.

Related Terminology

• "Superheavy element": A term often used for elements with very high atomic numbers, including element 105.
  • Element 105 is considered one of the lighter superheavy elements.

Học thuật

Noun

1. a transuranic element

Từ đồng nghĩa

• dubnium
• Db
• hahnium
• atomic number 105