镎 (ná) - Neptunium — a radioactive metallic element with atomic
镎 · ná
Neptunium — a radioactive metallic element with atomic number 93, first synthesized in 1940 and named after the planet Neptune.
Neptunium — a radioactive metallic element with atomic
Usage highlights
neptunium elementneptunium isotopeneptunium compoundneptunium seriesneptuniumneptunium dioxide
Synonyms
- 錼— alternative form for neptunium (used in Taiwan)
Usage & contexts
Examples
- Neptunium (镎) is a synthetic element in the actinide series.
- The isotope neptunium-237 (镎-237) has a long half-life.
- Neptunium compounds (镎化合物) are studied in nuclear chemistry.
- This sample contains traces of neptunium (镎).
Collocations
- neptunium element(镎元素)
- neptunium isotope(镎同位素)
- neptunium compound(镎化合物)
- neptunium series(镎系)
- neptunium-237(镎-237)
- neptunium dioxide(二氧化镎)
Cultural background
FAQ- Named after the planet Neptune, following the naming convention for transuranium elements (uranium → Uranus, neptunium → Neptune, plutonium → Pluto).
- First synthesized in 1940 by Edwin McMillan and Philip Abelson at the University of California, Berkeley.
- Primarily of scientific interest with no significant role in traditional Chinese culture or everyday language.