uranium 93 plutonium

Wikipedia logo
Wikipedia logo
The Simple English Wikipedia has an article on:

Pronunciation change

  • enPR: nĕptū'nēəm, IPA (key): /nɛpˈtjuːniəm/
  • enPR: nĕpto͞o'nēəm, IPA (key): /nɛpˈtuːniəm/
  • (file)

Noun change

Singular
neptunium

Plural
none

  1. Neptunium is a chemical element with atomic number 93 and symbol Np.