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Chemistry 2406:B400:D5:271E:44B1:153A:E6C7:CFF9 ( talk) 05:02, 1 December 2021 (UTC)
Abundant elements 196.189.88.67 ( talk) 14:48, 14 January 2022 (UTC)
Is there some reason the table does not include an ordinal rank column? I would think this would be a natural addition, but I don't want to put it in if the idea has already been discussed and rejected. PianoDan ( talk) 18:03, 24 February 2023 (UTC)
The last column in the table "Estimated abundances of chemical elements in the Earth" is " fraction by number of atoms in parts per billion (ppb)". But these numbers are not from a source. What is their purpose here? Johnjbarton ( talk) 02:47, 6 April 2024 (UTC)