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

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Overview: formal value types of the standard atomic weight^[1] v t e
Element (E)		A_r°(E)	Value type	A_r°(E), abridged or conventional	Mass number [most stable isotope]
hydrogen	₁H	[1.00784, 1.00811]	interval	1.0080±0.0002
nitrogen	₇N	[14.00643, 14.00728]	interval	14.007±0.001
fluorine	₉F	18.998403162±0.000000005	number ± uncertainty	18.998±0.001
calcium	₂₀Ca	40.078±0.004	number ± uncertainty	40.078±0.004
technetium	₄₃Tc	(none)	most stable isotope		[97]

Data: /symbol-to-saw
For most stable isotope mass number (Tc, Rf, Uue etc.) see also {{Infobox element/symbol-to-most-stable-isotope}}.

^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.