atomic number 103

Thân thiện

A scientist points to the symbol for atomic number 103 on a large periodic table.

Definition

1. 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.

Học thuật

Noun

1. a radioactive transuranic element synthesized from californium

Từ đồng nghĩa

• lawrencium
• Lr