Which element is a noble gas and has the symbol "Ne"? A. Neon B. Nickel C. Nitrogen D. Sodium 相关知识点: 试题来源: 解析 A。解析:Neon(氖)是一种惰性气体,符号为“Ne”。B选项Nickel(镍),符号为“Ni”;C选项Nitrogen(氮),符号为“N”;D选项Sodium(钠),符号为“Na”,所以答案为A。
Which element is a noble gas? A. 标效车是接电克它标效车是接电克它Helium标效车是接电克它标效车是接电克它 B. 制需造料矿数把就制眼制需造料矿数把就制眼Lithium制需造料矿数把就制眼制需造料矿数把就制眼 C. 越记律查说被百越记律查说被百Boron越记律查说被百越记律查说被百 D....
百度试题 结果1 题目Which is a noble gas element? A. Neon B. Carbon C. Sulfur D. Phosphorus 相关知识点: 试题来源: 解析 A。氖是稀有气体元素。选项 B 碳、选项 C 硫、选项 D 磷都不是稀有气体元素。反馈 收藏
百度试题 结果1 题目Which one is noble gas? A. H B. He C. Br D. Ag 相关知识点: 试题来源: 解析 B 反馈 收藏
百度试题 结果1 题目Which element is a noble gas? A. Oxygen B. Nitrogen C. Helium D. Chlorine 相关知识点: 试题来源: 解析 C。解析:氦(Helium)是稀有气体,也叫惰性气体。氧气(Oxygen)、氮气(Nitrogen)和氯气(Chlorine)都不是稀有气体。反馈 收藏 ...
(d) ns2np2.Noble Gas:Noble gases are the eighteen group elements of the modern periodic table. Normally, they are used for witting the electronic configuration of other elements because the elements of ideal gas had completely filled orbitals.Answer...
As its filling, a halogen incandescent lamp contains noble gas, halogen additive, carbon as well as nitrogen and oxygen in the form of a nitrogen-oxygen compound, preferably N 2 O.Thomas NollKarlheinz VoglRudolf HorndaschMatthias DammUS
Which element symbol belongs to noble gas? A. 力者听力者听He力者听力者听 B. 本年圆还主系本年圆还主系Na本年圆还主系本年圆还主系 C. 东表也马什向化全民路米干本中适确提东表也马什向化全民路米干本中适确提Mg东表也马什向化全民路米干本中适确提东表也马什向化全民路米干本中适确提 D. ...
I do not think that we spend nearly enough time trying to concentrate on achieving a sort of calmness, a sort of contentment in a mental and spiritual way, which was identified by these people as the highest form of happiness and pleasure.出自-2016年6月阅读原文 Also, being open to new ...
元素周期表的每一族（没打错，是族）的最后的一个元素是稀有气体--它们的所有的电子层的电子已满