| 单词 | valence electron |
| 释义 | valence electron (extremely rare) n WORD FAMILY valence electron USAGE EXAMPLESCesium, an alkali metal, has a lone, so-called valence electron in its outer shell. Scientific American(Feb 15, 2014) Cesium, an alkali metal, has a lone, so-called valence electron in its outer shell. Scientific American(Jan 21, 2014) n an electron in the outer shell of an atom which can combine with other atoms to form molecules Hyper electron, negatron an elementary particle with negative charge |
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