| 单词 | activity series |
| 释义 | > as lemmasactivity series activity series n. Chemistry a list of chemical elements (esp. metals) arranged in order of reactivity; spec. = electrochemical series n. at electrochemical adj. Compounds.Reactivity may be measured in various ways, such as by ability to react with water and acids, or to displace ions of another element in solution, or by standard electrode potential (as in the electrochemical series). Although lists determined by different methods are broadly the same, there are some notable differences (e.g. in the relative positions of potassium and lithium). ΚΠ 1916 A. Smith Gen. Chem. for Colleges (ed. 2) 544 For inactive materials, a plate of copper or of some metal below copper in the activity series may be used. 1978 G. C. Hill & J. S. Holman Chem. in Context ii. 13 Metals higher in the activity (electrochemical) series can lose electrons more easily than the less reactive metals lower down in the activity series. 2003 C. M. Roebuck Excel HSC Chem. (new ed.) i. 24/1 Using the activity series we can predict whether reactions will occur. < as lemmas |
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