einsteinium

Thân thiện

A scientist carefully handles a sample of einsteinium in a secure laboratory.

Definition

1. Noun:
   • A radioactive transuranic element: Einsteinium is a synthetic, metallic chemical element with the symbol Es and atomic number 99. It is produced artificially, typically by bombarding plutonium with neutrons in nuclear reactors or during nuclear explosions.

Usage Examples

• Noun:
  • Scientists discovered einsteinium in the debris of the first hydrogen bomb test.
  • Only minute quantities of einsteinium are produced for research purposes.
  • The chemical properties of einsteinium are studied using specialized equipment due to its high radioactivity.

Advanced Usage

• Scientific Context: The term is used almost exclusively in nuclear chemistry, physics, and related scientific fields. It is often discussed in the context of the actinide series, transuranium elements, or nuclear synthesis.
  • The research paper detailed the half-life of the einsteinium isotope Es-253.

Variants and Related Words

• Symbol: Es (The chemical symbol for einsteinium).
• Actinide (n): A member of the series of radioactive metallic elements from actinium to lawrencium, which includes einsteinium.
• Transuranium/Transuranic element (n): Any synthetic chemical element with an atomic number greater than that of uranium (92).

Synonyms

• Element 99: A synonym referring directly to its atomic number.
• Es: The chemical symbol, used as a shorthand in formulas and scientific writing.

Related Phrases/Idioms

• . As a highly specific scientific term, "einsteinium" is not used in common idioms or phrasal verbs.

Học thuật

Noun

1. a radioactive transuranic element produced by bombarding plutonium with neutrons

Từ đồng nghĩa

• Es
• E
• atomic number 99