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 ...
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...
Print Also known as: Ar Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They ...
Argon(Ar)是什么意思 网络氩;氩气 Argon(Ar)英英释义 Argon(Ar) n.a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere 同义词:Aratomic number 18 相关词 starkers stercolith Stenocarpus stanchly Stenotaphrum statant STH steam...
Argon (Ar) is one of the noble gases and has an atomic number of eighteen, meaning it has eighteen protons in the nucleus of an atom of argon. Interesting Argon Facts: Argon is the third most prevalent gas in the Earth's atmosphere, found at 9,300 parts per million. It makes up...
Argon (Ar) - Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Know the Uses of Argon, Chemical Properties of Argon, Atomic Mass of Argon.
Argon (Ar) was discovered in 1894 by Sir William Ramsay and Lord Baron Rayleigh. Argon makes up about 1% of the earth atmosphere. Molecules of argon are mono-atomic: Ar. Argon is a colorless, odorless, tasteless gas. Argon is chemically inert. to top Extraction...
Argon, 18Ar Argon Pronunciation /ˈɑːrɡɒn/ (AR-gon) Appearance colorless gas exhibiting a lilac/violet glow when placed in an electric field Standard atomic weight Ar°(Ar) [39.792, 39.963] 39.95±0.16 (abridged)[1] Argon in the periodic table Atomic number (Z) 18 Group gro...
Element Symbol: Ar Atomic Number: 18 Atomic Weight: 39.948 Appearance: Colorless inert gas Group: Group 18 (Noble Gas) Period: Period 3 Discovery: Lord Rayleigh and William Ramsay (1894) Discovery Argon was discovered by Sir William Ramsay and Lord Rayleigh in 1894 (Scotland). Prior to the ...
Here's a collection of useful and interesting argon facts. Argon is the noble gas with element atomic number 18 with element symbol Ar.