rg
Definition
- Noun:
- A radioactive transuranic element: "Rg" is the chemical symbol for the element roentgenium, a synthetic, highly radioactive metallic element with atomic number 111.
Usage Examples
- Noun:
- The element Rg was first synthesized in a laboratory in 1994.
- Scientists study the properties of Rg to understand more about heavy elements.
Advanced Usage
- Scientific Notation: "Rg" is used almost exclusively in scientific contexts, particularly in chemistry and physics, to denote the element roentgenium in formulas, tables, and discussions.
- The periodic table lists Rg in group 11.
Variants and Related Words
- Roentgenium (n): The full name of the element for which "Rg" is the symbol.
- Roentgenium is named after the physicist Wilhelm Röntgen.
Synonyms
- Element 111: A synonym referring to its atomic number.
- Roentgenium: The full name of the element.
Notes on Usage
- "Rg" is a specific scientific symbol. It is not used in everyday language and has no idiomatic expressions or phrasal verbs associated with it.
- It is always capitalized.
Noun
-
a radioactive transuranic element
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