element 104
Definition
- Noun:
- A radioactive transuranic element which has been synthesized: "element 104" refers to a synthetic chemical element with the atomic number 104. It is a radioactive, heavy element not found in nature and produced artificially in laboratories.
Usage Examples
- Noun:
- Scientists successfully produced a few atoms of element 104 in the cyclotron.
- The chemical properties of element 104 are difficult to study due to its short half-life.
Advanced Usage
- In scientific nomenclature: The name "element 104" is a systematic placeholder name. Historically, it was known by different proposed names (e.g., rutherfordium, kurchatovium) before "rutherfordium" (Rf) was officially adopted by IUPAC.
- The discovery of element 104 was claimed by both American and Soviet research teams.
Variants and Related Words
- Rutherfordium (Rf): The official name for element 104.
- Rutherfordium is used in basic scientific research.
- Unnilquadium (Unq): A temporary systematic name based on its atomic number, derived from Latin roots for "one", "zero", "four".
- Unnilquadium was the IUPAC provisional name before the element was officially named.
Synonyms
- Rutherfordium: The permanent name for the element.
- Unnilquadium: The former systematic placeholder name.
Related Phrases
- Transuranium element: A category that includes element 104 and all other synthetic elements with atomic numbers greater than 92 (uranium).
- Element 104 is a member of the transuranium elements.
- Synthetic element: An element not found in nature and produced artificially.
- Creating a synthetic element like element 104 requires powerful particle accelerators.
Noun
-
a radioactive transuranic element which has been synthesized
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