<page_title> Standard atomic weight </page_title> <section_title> A formal short atomic weight </section_title> <table> <cell> hydrogen <col_header> Overview: formal values of the standard atomic weightvte </col_header> <col_header> Element </col_header> </cell> <cell> [1.00784, 1.00811] <col_header> Overview: formal values of the standard atomic weightvte </col_header> <col_header> Ar, standard </col_header> </cell> </table>
Hydrogen has Ar, standard(H) = [1.00 784, 1.00811].