Leej twg tsim Chemicool?
Leej twg tsim Chemicool?

Video: Leej twg tsim Chemicool?

Video: Leej twg tsim Chemicool?
Video: Leejtwg Yog Tus Tsim (Official Music Video 2023) N. Vajxob, Nxf. Tshuav Num, N. Txoov Kav 2024, Kaum ib hlis
Anonim

Mendeleev

Ua li no, leej twg thawj zaug nrhiav tau hlau?

Hauv Mesopotamia (Iraq) muaj pov thawj tias tib neeg tau smelting hlau nyob ib ncig ntawm 5000 BC. Artifacts ua los ntawm smelted hlau tau pom txij li 3000 BC hauv Egypt thiab Mesopotamia. Nyob rau lub sijhawm ntawd, hlau yog ib co ceremonial hlau; nws kim heev los siv rau hauv lub neej txhua hnub.

Leej twg npe hu ua Iron? Keeb kwm ntawm lub npe: los ntawm Anglo-Saxon lo lus "hlau" los yog " iren " (Lub hauv paus chiv keeb ntawm lub cim Fe los ntawm lo lus Latin "ferrum" txhais tau tias "hlau"). Tej zaum lo lus hlau yog muab los ntawm cov lus ua ntej lub ntsiab lus "hlau dawb huv" vim nws tau siv los ua cov ntaj siv hauv Crusades.

Kuj nug, leej twg tsim Moscovium?

Cov kws tshawb fawb tshawb fawb ntawm Lub Tsev Haujlwm Sib Koom rau Nuclear Research hauv Dubna, Russia thiab Lawrence Livermore National Laboratory (LLNL), California thawj zaug nqe 115 , moscovium, nyob rau hauv Dubna, Russia nyob rau hauv 2003. Qhov kev ua hauj lwm yog kev koom tes ntawm science teams coj los ntawm Yuri Oganessian thiab Ken Moody.

Puas tau pom lub ntsiab 119?

Ununennium, tseem hu ua eka-francium los yog nqe 119 , yog cov tshuaj hypothetical keeb nrog lub cim Uue thiab tus lej atomic 119 . Nws yog lub teeb keeb uas muaj tseem tsis tau ua ua ke.

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