HangangaMātauranga Tuarua me ngā kura

Te hau taumaha. Te hau Radon iraruke: āhuatanga, ngā āhuatanga, te hawhe-ora

Gas - tetahi o nga āhua o te whakawhāititanga o te taonga. Ko te haurehu reira i roto i te rangi, i runga i te whenua e kore anake, engari i roto i te wāhi. E pā ana ratou ki humarie, pähekeheke weightlessness. Ko te māmā he hauwai. Na he aha te mea te hau taumaha? Kia kitea te reira.

Ko te hau taumaha

Ko te kupu "hau" mai i te kupu Kariki "hepohepo." He pūkoro a ūpoko hono ki ia atu ona matūriki. neke ratou matapōkeretia, te whakakī wāhi katoa e wātea ana. Ka taea e te hau e te huānga ohie, me ngā o ngā ngota o tetahi taonga, a kia waiho hei pūhui o te maha.

Te hau taimaha māmā (i te pāmahana rūma) he Radon, ona niho kauoro papatipu 222 g / mol. Ko iraruke ia me he tino taekore. I muri te whakaaro reira te hautūāpōkere tino kino, he papatipu ngota o 131 g / mol. Ko te hau taimaha toe he pūhui.

I roto i te pūhui pararopi o te hau taumaha i te pāmahana o te 20 ° C, ko te pūkōwhai Tungsten (VI). Ko tōna papatipu titiwha ko 297,84 g / kamiriona, me te kiato - 12.9 g / l. I raro i ngā āhuatanga noa, ko reira he hau te huitahi, e momi, a ko reira puru i roto i te rangi hou. Ko te kaha rawa Tungsten hexafluoride, kei te ngāwari tahuri reira ki te wai, ka meangiti.

Radon

Opening o hau puta i roto i te wā ako mo te ako o te ira. I roto i te mimiti haere o te tahi mau huānga, kua tamau tuhu pūtaiao i roto i etahi rawa tukuna ki ētahi atu matūriki. huaina Rutherford reira emanation.

Ko te kupu i kitea ai te emanation thorium - Thoron, konutuki - Radon, actinium - actinon. Muri mai i kitea i te reira e enei emanations katoa he kanoirite o te huānga kotahi - he hau e mangere. Robert Grey ko Uilyam Ramzay tuatahi taratahi reira i roto i tona ahua parakore, a hanga inenga o ona āhuatanga.

I Radon pūmotu ko te huānga o te rōpū 18 o tau ngota 86. Kei waenganui i France me astatine. I raro i ngā āhuatanga noa, te taonga ko te hau, e kore e pangia e, kakara, me te tae.

Gas 7.5 wa apiapi ake i te hau. memeha te reira i roto i te te wai, pai atu i te tahi atu hau pai. Nga whakarewa, tenei ahua atu piki. O nga hau onge katoa ko ia te kaha tino, ngāwari te pāhekoheko ki köwhai, me te hāora.

Te hau Radon iraruke

Ko tētahi o nga āhuatanga o te huānga - te ira. He kanoirite te huānga e toru tekau wha okiokinga tūturu - horihori. He iu me te pängia ana ki te piraunga ira tukituki katoa o ratou. Ko te hawhe-ora o Radon, atu ïa, tona kanoirite tino pūmau, he 3.8 ra.

No te mea o te hau tino ira he fluorescence. miramira te taonga haurehu waihā me te wai i roto i puru. taui te Radon totoka tona papatae i kōwhai ki whero ka matao o ki te pāmahana hauota - e pā ana ki -160 ° C.

Ka taea e Radon kia tino paitini ki te tangata. taimaha hua kore-ahua pērā i polonium, mata, bismuth hua i tona mimiti. Kei te tino painga excreted ratou. Whakatau me te whakaemi i enei matū rereke te tinana. I muri i kai paipa, he Radon tuarua te take tino noa o te mate pukupuku pūkahukahu.

Te wāhi me te whakamahi o te Radon

Ko te hau taumaha ko tetahi o te onge huānga whenua uho. I roto i te natura, he Radon he wahi o tokahuke kei roto konukarihi-238, thorium-232, konukarihi-235. I to ratou te pirau te tukua ai, taka ki te huru me te wai ōnuku o te whenua.

piki Radon i roto i te awa, me nga wai moana, otaota me te oneone i roto i ngā rauemi hanga. I roto i te huru, e faarahi tona ihirangi rite rū whenua me te puia, te tangohanga o nga phosphates me otaota ngāwhā mana.

Ki te awhina o tenei hau he hapa nekeneke, putunga o thorium me konukarihi. Kei te whakamahia te reira i roto i te ahuwhenua ki te whakahohe mōkai kai. whakamahia Radon te i metallurgy, te ako o te manawa whenua maatauranga wai, rongoā rongonui Radon pati.

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