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view source for argon compounds wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in view source for argon compounds add languages article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file page information get shortened url switch to legacy parser in other projects wikidata item appearance move to sidebar hide argon compounds you do not have permission to edit this page for the following reason this ip address range has been globally blocked this does not affect your ability to read wikipedia pages most people who see this message have done nothing wrong some kinds of blocks restrict editing from specific service providers or telecom companies in response to recent abuse or vandalism and can sometimes affect other users who are unrelated to that abuse review the information below for assistance if you do not believe that you have done anything wrong this block affects editing on all wikimedia wikis the ip address or range 5 135 0 0 16 has been globally blocked by jon kolbert for the following reason s open proxy webhost visit the faq if you are affected this block will expire on 04 29 8 january 2027 your current ip address is 5 135 42 194 even while globally blocked you will usually still be able to edit pages on meta wiki if you believe you were blocked by mistake you can find additional information and instructions in the stewards block wizard other useful links global blocks help i have been blocked you can view and copy the source of this page argonium main argonium argonium chem2 arh is an ion combining a proton and an argon atom it is found in interstellar space in diffuse atomic hydrogen gas where the fraction of molecular hydrogen chem2 h2 is in the range of 0 0001 to 0 001 ref name schilke cite journal last1 schilke first1 p last2 neufeld first2 d a last3 müller first3 h s p last4 comito first4 c last5 bergin first5 e a last6 lis first6 d c last7 gerin first7 m last8 black first8 j h last9 wolfire first9 m last10 indriolo first10 n last11 pearson first11 j c last12 menten first12 k m last13 winkel first13 b last14 sánchez monge first14 á last15 möller first15 t last16 godard first16 b last17 falgarone first17 e title ubiquitous argonium arh sup sup in the diffuse interstellar medium a molecular tracer of almost purely atomic gas journal astronomy astrophysics date 4 june 2014 volume 566 pages a29 doi 10 1051 0004 6361 201423727 doi access free bibcode 2014a a 566a 29s arxiv 1403 7902 s2cid 44021593 ref argonium is formed when chem2 link dihydrogen cation h_ 2 reacts with ar atoms ref name schilke chem2 ar h_ 2 arh h ref name schilke and it is also produced from chem2 ar ions produced by cosmic rays and x rays from neutral argon chem2 ar h2 arh h ref name schilke 1 49 ev 144 kj mol sup 1 sup ref name barlow cite journal last1 barlow first1 m j last2 swinyard first2 b m last3 owen first3 p j last4 cernicharo first4 j last5 gomez first5 h l last6 ivison first6 r j last7 krause first7 o last8 lim first8 t l last9 matsuura first9 m last10 miller first10 s last11 olofsson first11 g last12 polehampton first12 e t title detection of a noble gas molecular ion sup 36 arh sup sup in the crab nebula journal science date 12 december 2013 volume 342 issue 6164 pages 1343 1345 doi 10 1126 science 1243582 pmid 24337290 bibcode 2013sci 342 1343b arxiv 1312 4843 s2cid 37578581 ref when chem2 arh encounters an electron dissociative recombination can occur but it is extremely slow for lower energy electrons allowing chem2 arh to survive for a much longer time than many other similar protonated cations chem2 arh e arh ar h ref name schilke artificial chem2 arh made from earthly ar contains mostly the isotope sup 40 ar rather than the cosmically abundant sup 36 ar artificially it is made by an electric discharge through an argon hydrogen mixture ref name brown cite journal last1 brown first1 john m last2 jennings first2 d a last3 vanek first3 m last4 zink first4 l r last5 evenson first5 k m title the pure rotational spectrum of arh sup sup journal journal of molecular spectroscopy date april 1988 volume 128 issue 2 pages 587 589 doi 10 1016 0022 2852 88 90173 7 bibcode 1988jmosp 128 587b url https zenodo org record 1253940 ref natural occurrence in the crab nebula chem2 arh occurs in several spots revealed by emission line s the strongest place is in the southern filament this is also the place with the strongest concentration of chem2 ar and chem2 ar 2 ions ref name barlow the column density of chem2 arh in the crab nebula is between 10 sup 12 sup and 10 sup 13 sup atoms per square centimeter ref name barlow possibly the energy required to excite the ions so that then can emit comes from collisions with electrons or hydrogen molecules ref name barlow towards the milky way centre the column density of chem2 arh is around val 2 e 13 u cm sup 2 sup ref name schilke return to argon compounds retrieved from https en wikipedia org wiki argon_compounds privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search view source for argon compounds add languages add topic