atomic number 103
Definition
- Noun:
- A synthetic radioactive chemical element: "atomic number 103" is the systematic name for the chemical element with 103 protons in its atomic nucleus. It is a man-made, radioactive metal in the actinide series.
- The element lawrencium: This term specifically refers to the element lawrencium (symbol Lr).
Usage Examples
- Noun:
- Scientists produced a few atoms of atomic number 103 in the laboratory.
- The discovery of atomic number 103 was announced in 1961.
Advanced Usage
- In scientific nomenclature: The term "atomic number 103" is used in systematic IUPAC nomenclature, especially before an element receives a permanent name.
- Before it was named lawrencium, the element was referred to as atomic number 103.
Variants and Related Words
- Lawrencium (Lr): The permanent, trivial name for the element.
- Lawrencium, atomic number 103, is named after Ernest O. Lawrence.
Synonyms
- Lawrencium: The common name for the element.
- Element 103: A synonymous systematic designation.
Related Phrases
- Synthetic element: A descriptive phrase for man-made elements like atomic number 103.
- Atomic number 103 is a synthetic element with no stable isotopes.
Noun
-
a radioactive transuranic element synthesized from californium
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