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Table footnote options
Topic |notes= code Text shown Note
isomer m
  1. ^ mU – Excited nuclear isomer.
( ) uncertainty (1σ) unc()
  1. ^ ( ) – Uncertainty (1σ) is given in concise form in parentheses after the corresponding last digits.
[ ] variation interval var[]
  1. ^ [ ] – Range of variance in natural abundance
IUPAC[1]
# derived value (TMS) mass#
  1. ^ # – Atomic mass marked #: value and uncertainty derived not from purely experimental data, but at least partly from trends from the Mass Surface (TMS).
TMS[2]
stability hl-nst
  1. ^ Bold half-life – nearly stable, half-life longer than age of universe.
# derived value (TNN) hl#, spin#, exen#
  1. ^ a b c # – Values marked # are not purely derived from experimental data, but at least partly from trends of neighboring nuclides (TNN).
TNN[3]
modes of decay CD, EC, SF, IT, n, p
  1. ^ Modes of decay:
    CD: Cluster decay
    EC: Electron capture
    IT: Isomeric transition
    SF: Spontaneous fission
    n: Neutron emission
    p: Proton emission
stability daughter-st
  1. ^ Bold symbol as daughter – Daughter product is stable.
stability daughter-nst
  1. ^ Bold italics symbol as daughter – Daughter product is nearly stable.
( ) in spin spin()
  1. ^ ( ) spin value – Indicates spin with weak assignment arguments.

* Texts are maintained in {{Isotopes table/ref_group}}

  1. ^ Meija, Juris; Coplen, Tyler B.; et al. (2016). "Isotopic compositions of the elements 2013 (IUPAC Technical Report)" (PDF). Pure and Applied Chemistry. 88 (3). doi:10.1515/pac-2015-0503.
  2. ^ TMS: trends from the Mass Surface. Marked # in atomic mass: value and uncertainty derived not from purely experimental data, but at least partly from TMS ({{AME2020 I}})
  3. ^ TNN: trends of neighboring nuclides. Marked # in excitation energy, halflife, spin & parity: {{NUBASE2020}}. Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
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