yuánzì Chinese characters of the chemical elements

Neptunium Np · 93

solid metal · period 7 · f-block· actinide

Anatomy

radical jīn
metal → solid metal
+ phonetic
from neptunium
=

Transliteration. The phonetic half approximates the international name. Neptunium

History of the character

Every form found in the sources, from the first missionary chemistry books of the 1850s to the current standards. Hover a dot for the source. Simplified , traditional , Taiwan nài.

1850187519001925195019752000antiquitytoday
nǎi
1945 · 曾提議 · Proposed, not adopted — Various had earlier meant neodymium
1951 · 化學命名原則(修訂) · Principles of Chemical Nomenclature, PRC revision (1951) — Academia Sinica / Ministry of Education, PRC
nài
today · 臺灣正體(國家教育研究院) · Current Taiwan standard — National Academy for Educational Research, Taiwan
  1. 1945 nǎi 曾提議 Proposed, not adopted, Various had earlier meant neodymium
  2. 1951 化學命名原則(修訂) Principles of Chemical Nomenclature, PRC revision, Academia Sinica / Ministry of Education, PRC
  3. today nài 臺灣正體(國家教育研究院) Current Taiwan standard, National Academy for Educational Research, Taiwan

Homophones

Same syllable, different tone: nà Sodium.

Elsewhere

Japanese ネプツニウム Korean 넵투늄 Vietnamese neptuni

Western name from Latin Neptunus, “Neptune”. Compare all

Unicode

U+954E in CJK Unified Ideographs

Element discovered 1940.