टेक्निशियम
- REDIRECTsaancha:Infobox element
teknishiyam (aangrezi:Technetium) avart sarani ke saptam sankraman samooh ka tatv hai. yah maianganiz tatha reniyam ka sajatiy hai. prakriti mean yah tatv nahian milata, yadyapi isaki khoj ke anek dave ho chuke haian. yah tatv kritrim tatvaantaran kriya dvara banaya gaya hai. ab tak isake lagabhag 12 samasthanik banae ge haian,[1] parantu ye sab asthayi haian.
sarvapratham periyar tatha segre ne teknishiyam tatv ka nirman molibdenam ke tatvaantaran dvara kiya. yah tatvaantaran tvarak dvara utpann vegavanh dyooteran dand ke akraman se hua. kritrim tatv hone ke karan isaka nam teknishiyam rakha gaya, jo yoonani shabd teknetos[2] par adharit hai. in anusandhanakartaoan ne rediy rasayan dvara is tatv ke rasayanik gunoan ki jaanch ki. yooreniyam vikhandan kriya mean teknishiyam bhi utpann hota hai aur ajakal isi srot se yah upalabdh kiya ja raha hai. isaka 99 dravyaman sankhya vala samasthanik sabase sthayi hai, jisaki ardhajivan avadhi 4.7x105 varsh hai. yah ilektr aaun mukt kar rutheniyam 99 mean prarinat ho jata hai.
teknishiyam mean dhatu ke gun pradhan haian. vilayan avastha mean yah dhanayan athava aauksikrit rrinayan ke roop mean rahata hai. dhatu ka nirman teknishiyam lavan ke vilayan par jaste, loha ya nikal ki avakaran kriya dvara kiya ja sakata hai. isake guna dharm reniyam aur maianganiz se bahut milate haian.
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tika tippani aur sandarbh
- ↑ dravyaman sankhya 92 se 105 tak
- ↑ kritrim
sanbandhit lekh
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| H | He | ||||||||||||||||||||||||||||||||||||||||
| Li | Be | B | C | N | O | F | Ne | ||||||||||||||||||||||||||||||||||
| Na | Mg | Al | Si | P | S | Cl | Ar | ||||||||||||||||||||||||||||||||||
| K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr | ||||||||||||||||||||||||
| Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe | ||||||||||||||||||||||||
| Cs | Ba | La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn | ||||||||||
| Fr | Ra | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Uut | Uuq | Uup | Lv | Uus | Uuo | ||||||||||
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