'As in planetary sequence, neptunium-239 emits a beta particle & becomes isotope 239 of this element'
plutonium
ISOTOPES: As in planetary sequence, neptunium-239 emits a beta particle & becomes isotope 239 of this element
As in planetary sequence, neptunium-239 emits a beta particle & becomes isotope 239 of this element
As in planetary sequence, neptunium-239 emits a beta particle & becomes isotope 239 of this element
ISOTOPES
plutonium
ISOTOPES