英语词汇“chalcogen”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	chalcogen
释义	chal·co·gen (kălkə-jən) n. Any of the elements appearing in Group 6a of the periodic table, sharing certain chemical properties; oxygen, sulfur, selenium, tellurium, polonium, or element 116. [Greek khalkos, copper + -GEN, since many of the important ores of copper, such as chalcopyrite, contain chalcogens.]
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