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9/29/2023 11:49 AM 983 8_A1.GIF
9/29/2023 11:49 AM 1013 8_A2.GIF
9/29/2023 11:49 AM 990 8_A3.GIF
9/29/2023 11:49 AM 989 8_A4.GIF
9/29/2023 11:49 AM 12855 Properties of Nonmetals.xlsx
9/29/2023 11:49 AM 1705 Properties of Nonmetals.xml