Template:Infobox element/symbol-to-saw/CIAAW-saw-element-page

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Overview: formal values of the standard atomic weight[1]
Element (E)
Ar, standard(E)
Table 1[2]
Value type
Ar, std abridged(E)
Table 2[3]
Ar, std conventional(E)
Table 3[4]
Ar, std formal short(E)
Tables 2 and 3[5]
Mass number
[most stable isotope]
hydrogen 1H [1.007841.00811] Template:Infobox element/symbol-to-saw/value-type [1.00781.0082] 1.008 1.008
nitrogen 7N [14.0064314.00728] Template:Infobox element/symbol-to-saw/value-type [14.00614.008] 14.007 14.007
fluorine 9F 18.998403163(6) Template:Infobox element/symbol-to-saw/value-type 18.998 18.998
calcium 20Ca 40.078(4) Template:Infobox element/symbol-to-saw/value-type 40.078(4) 40.078(4)
technetium 43Tc (none) Template:Infobox element/symbol-to-saw/value-type 98

Usage

Use parameter |format=:

{{Infobox element/symbol-to-saw|format=...}}
  • |format=standard (default):
  • |format=abridged:
  • |format=conventional:
  • |format=formal-short:
  • |format=formal-short-rounded:
  • |format=plain-short-value:
  • |format=year-changed:
  • |format=value-type:
For most stable isotope (Tc, Rf, Uue etc.) see also {{Infobox element/symbol-to-most-stable-isotope}}.

Overview

Template:Infobox element/symbol-to-saw/overview

Updates

  (This list:  view • edit )
CIAAW may publish changes to atomic weights (including its precision and derived values). Since 1947, any update this is done in odd years nominally; the actual date of publication may be some time later.
  • 2009 {{CIAAW2009}} (introducing interval notation; Ge):
Template:CIAAW2009
Template:CIAAW2011
Template:CIAAW2013/cite journal
Template:CIAAW2015
Template:CIAAW2017
  • 2019 (hafnium value changed): Meija, Juris; et al. (2019-12-09). "Standard atomic weight of hafnium revised". CIAAW. Retrieved 2020-02-25.
  • 2020* (lead value changed): Zhu, Xiang-Kun; Benefield, Jacqueline; Coplen, Tyler B.; Gao, Zhaofu; Holden, Norman E. (1 October 2020). "Variation of lead isotopic composition and atomic weight in terrestrial materials (IUPAC Technical Report)". doi:10.1515/pac-2018-0916.
* "2020" is an inconsistent year for change publication: CIAAW maintains that only odd years, changes are publicised.
  • 2021 {{CIAAW2021}} (all elements listed); (4 values changed; introduced new symbol; merge "conventional" into "abridged" columns; change uncertainty notation (use "±")
Template:CIAAW2021
Uncertainty handling

About notation and handling of the uncertainty in the values, including those in [ ] range values:

Outdated references
See also: {{Isotopes table/references}}

See also

  1. Template:CIAAW2013/cite journal
  2. Meija 2016, Table 1.
  3. Meija 2016, Table 2.
  4. Meija 2016, Table 3.
  5. Meija 2016, Tables 2 and 3.