英语词汇“化學元素”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	化學元素
释义	化學元素 huà xué yuán sù原子核中质子数相同,因而电荷数也相同的一类原子的总称。例如碳就是一种化学元素,因为碳不论以单质形式或以化合物形式存在,它的核电荷数总是6。现在已经发现的化学元素有106种,简称“元素”chemical element简体化学元素
随便看	Hazard Surveillance Programs hazard survey hazards with nuclear reactors hazard system hazard testing hazard threshold Hazard Time added to Deathmatch hazard to hazard to crops hazard to health hazard to motorists hazard to personnel hazard to the environment hazard to the power station environment Hazard Tracking System hazard tumor Hazard type hazard variation Hazardville hazard v.n Hazard vulnerability hazard-warning circuit hazard warning device hazard warning flasher Hazard Warning Label