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。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
1-Electron configuration for Cl^{-} 2- What is the atomic symbol for the noble gas that also has this electron configuration? Identify the group of elements that corresponds to each of the following generalized electron configurations and indicate t...
Write the ground-state electron configuration of element W using the Noble gas shorthand. What is the electron configuration for argon? Which is the electron configuration for boron? Which element has a complete valence electron shell? What group is neon in on the periodic table?
We often read in novels how a seemingly respectable person or family has some terrible secret which has been concealed from strangers for years. 表面上道貌岸然的人或有声望的家庭,却有着骇人听闻,多年不让人知道的秘密,这样的事情我们经常在小说里读到. 《用法词典》 A lie which is half a truth ...
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Having a filling which contains noble gas, halogen additive that contains iodine, carbon compound such as methyl iodide, nitrogen and a nitrogen-oxygen compound such as n2o; low voltage lamp; stable switching performance, long lifedoi:US6153974 A...
Like the lighter members of the group, lead tends to bond with itself; it can form chains and polyhedral structures. Since lead is easily extracted from its ores, prehistoric people in the Near East were aware of it. Galena is a principal ore of lead which often bears silver. Interest in...
a有些人总是无故插手别人的友情和爱情,自以为很正直、高尚,其实在别人眼里也只不过是一团狗屎! Some people always for no reason meddle others friendship and love, from thought is very honest, is noble, in it other human eye also is really group dog deng![translate] ...
Group 4B C. Group 2A D. Group 4A Which of the following pairs of elements could possibly be found in the same group on the periodic table? a) A forms a 2+ ion; B is in group 2. b) A is a noble gas; B forms a 1- ion. c) A has 3 valen...