ununtrium
Definition
- Noun:
- A radioactive transuranic element: "Ununtrium" is the former systematic element name for the chemical element with atomic number 113. It is a synthetic, highly radioactive element.
Usage Examples
- Noun:
- Scientists successfully synthesized ununtrium in the laboratory.
- The discovery of ununtrium was officially recognized in 2015.
Advanced Usage
- Historical/Systematic Naming: The name "ununtrium" is derived from the IUPAC systematic element nomenclature, where "un-un-trium" literally means "one-one-three" (from Latin for one and Greek for three), indicating its atomic number 113. It was a temporary placeholder name.
- Before its permanent name was assigned, the element was known in scientific literature as ununtrium.
Variants and Related Words
- Nihonium (Nh): The permanent name for element 113, officially adopted by IUPAC in 2016. "Ununtrium" is the historical name for this element.
- The element ununtrium is now called nihonium.
Synonyms
- Element 113: A direct reference by its atomic number.
- Eka-thallium: A name used in older, Mendeleev-style nomenclature predicting its properties.
Related Phrases/Contexts
- Transuranic element: A category describing any synthetic element with an atomic number greater than 92 (uranium). Ununtrium is part of this group.
- Ununtrium, like other transuranic elements, is not found in nature and must be created artificially.
Noun
-
a radioactive transuranic element
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
