chalcogens name derived from is given in ncert I can't understand that need explanation for that lines
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Cells are the basic building blocks of all living things. ... Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
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The word "chalcogen" is derived from a combination of the Greek word khalkόs principally meaning copper (the term was also used for bronze/brass, any metal in the poetic sense, ore or coin), and the Latinized Greek word genēs, meaning born or produced.
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