lawrencium

Thân thiện

A scientist observes a sample of lawrencium in a secure laboratory.

Definition

Noun: A synthetic, radioactive chemical element with the symbol Lr and atomic number 103. It is a transuranic element in the actinide series, produced artificially in particle accelerators.

Usage

"Lawrencium" is used exclusively as a noun to refer to this specific chemical element. It is typically used in scientific contexts, such as chemistry and nuclear physics.

Examples

• Scientists produced a few atoms of lawrencium in the laboratory experiment.
• The discovery of lawrencium was announced in 1961.
• Due to its instability, the properties of lawrencium are difficult to study.

Advanced Usage

• The element is named after Ernest O. Lawrence, the inventor of the cyclotron particle accelerator.
• All known isotopes of lawrencium are highly unstable and radioactive, decaying into other elements within seconds or minutes.

Variants and Related Words

• Symbol: Lr (The chemical symbol for lawrencium).
• Actinide: (Noun) Any of the series of radioactive elements from actinium (atomic number 89) to lawrencium (atomic number 103). Lawrencium is the last member of this series.

Synonyms

• Element 103 (A synonym based on its atomic number).
• Lr (Its chemical symbol, used as a shorthand in formulas and tables).

Different Meanings

This word has only one specific meaning: the chemical element with atomic number 103.

Học thuật

Noun

1. a radioactive transuranic element synthesized from californium

Từ đồng nghĩa

• Lr
• atomic number 103