The mass number of argon is 40.How many protons, neutrons and electrons are there in an argon atom? ( ) 相关知识点: 试题来源: 解析 一个氩原子有 18 个质子、22 个中子和 18 个电子。 1. 原子序数: 氩的原子序数为 18,这意味着它的原子核中有 18 个质子。 2. 质量数: 氩的质量数为 40...
Argon Atomic Number: 18Argon Atomic Weight: 39.948What is Argon?Argon (Ar, atomic number 18) is the third most common gas in the world, even more so than carbon dioxide. The word "argon" means inactive, inert in Greek and refers to this gas in that it reacts with very few other ...
['ɑ:ɡɔn] n. [化]氩(18号元素) 同义词 n.ar,atomic number 18 参考例子 1.The effect of nitrogen can be overcome by sheathing the flame inargon. 氮的影响则可以通过用氩气包覆火焰而予以克服。 2.So if the Company has found a new way to use Argon, that would be a mighty useful ...
Here's a collection of useful and interesting argon facts. Argon is the noble gas with element atomic number 18 with element symbol Ar.
General information about argon Extraction (isolation) of argon Applications of argon Properties of argon General information about argonSymbol: Ar Atomic Number: 18 Atomic Weight: 39.948 Electron Configuration: 1s2 2s2p6 3s2p6 Classification: Non-metal Group: Noble gases Number of Protons/Electro...
Atomic Volume(cc/mol):24.2 Covalent Radius(pm):98 Specific Heat(@20°C J/g mol):0.138 Evaporation Heat (kJ/mol):6.52 Debye Temperature(K):85.00 Pauling Negativity Number:0.0 First Ionizing Energy (kJ/mol):1519.6 Lattice Structure:Face-Centered Cubic ...
Ar,atomic number 18 chemical element,element- any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter argonon,inert gas,noble gas- any of the chemically inert gaseous elements...
Argon (pronounced /ˈɑrɡɒn/) is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table (noble gases). Argon is the third most common gas in the Earth's atmosphere, at 0.93%, making it more common...
Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas.[7] Argon is the third-most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv). It is more than twice as abundant as water vapor (which ...
atomic number... Ar argon noun Synonyms for argon nouna colorless and odorless inert gas Synonyms Ar atomic number 18 Related Words chemical element element argonon inert gas noble gas air Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...