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density.txt 1.2K 2025-11-19 17:01 …
elements.csv 20.5K 2025-11-19 17:01 …
families.csv 4.2K 2025-11-19 17:01 …
periodic.txt 4.1K 2025-11-19 17:01 …
shells.csv 1.1K 2025-11-19 17:01 …
sources.csv 257B 2025-11-19 17:01 …