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单词 periodic classification
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periodic classification
periodic classification n. Chemistry the classification of the chemical elements according to the periodic law.
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the world > matter > chemistry > elements and compounds > periodicity > [noun]
law of octaves1865
periodic law1872
periodic system1875
period1879
periodicity1879
periodic classification1881
periodic table1890
1881 Chem. News 14 Jan. 16/1 The criticism of Prof. Wurtz upon the periodic classification.
1936 S. Glasstone Recent Adv. Gen. Chem. i. 36 This elaborate investigation has eliminated all the elements of the first group of the periodic classification.
1995 Marketing Sci. 14 g31 Mendeléev's periodic classification of the chemical elements.
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