adhaatu

adhaatu (non-metals) raasaayanik vargeekaran mein prayukt hone wala ek shabd hai. aavart saarani ka pratyek tatv apne raasaayanik aur bhautik gunon ke aadhaar par dhaatu athva adhaatu shreni mein vargeekrut kiya ja sakta hai. (kuchh tatv jinmein donon ke gun paaye jaate hain unhein upadhaatu (metaloid) ki shreni mein rakha jaata hai.) aavart saarani mein ye 14vein (XIV) se lekar 18vein (XVIII) samooh mein daahine-oopari kone mein sthit hain. iske alaava pratham samooh mein sabse upar sthit udajan bhi adhaatu hai. haaidrojan ke alaava jaarak, praangaar, bhooyaati, gandhak, bhaasvar, hailojan, tatha akriya gaisein adhaatu maani jaati hain.

praay: aavart saarani ke keval 18 tatv adhaatu ki shreni mein gine jaate hain jabki dhaatu ki shreni mein 80 se bhi adhik tatv aate hain. fir bhi pruthvi ke garbh ka, vaayumandal aur jalamandal ka adhikaansh bhaag adhaatueain hi hain. jeevon ki sanrachana mein bhi adhaatuon ka hi adhikaanshata hai.

u/H ya/He
lagh/Li vi/Be ta/B pra/C bhoo/N ja/O t/F sh/Ne
ksha/Na bhr/Mg sf/Al sai/Si bha/P g/S ni/Cl m/Ar
the/K choo/Ca sto/Sc r/Ti ro/V va/Cr aya/Mn lo/Fe ke/Co roo/Ni ta/Cu j/Zn dr/Ga si/Ge naip/As me/Se du/Br li/Kr
di/Rb sho/Sr bhru/Y go/Zr ka/Nb s/Mo che/Tc naksh/Ru na/Rh nich/Pd ch/Ag mru/Cd nail/In tr/Sn an/Sb vang/Te janb/I ko/Xe
dyu/Cs h/Ba * ga/Hf sah/Ta chan/W ba/Re gu/Os ghan/Ir maha/Pt so/Au pa/Hg sa/Tl sees/Pb bhid/Bi to/Po la/At tai/Rn
kshud/Fr tej/Ra ** Rf Db Sg Bh Hs Mt Ds Rg
* su/La pu/Ce shya/Pr aa/Nd piv/Pm dh/Sm kin/Eu ya/Gd i/Tb chum/Dy paan/Ho rak/Er vya/Tm shve/Yb nir/Lu
** ej/Ac hras/Th prai/Pa kir/U Np Pu Am Cm Bk Cf Es Fm Md No Lr
anya adhaatueain hailojan akriya gas

gun

vaise 'adhaatu' ki koi spasht paribhaasha naheen hai. fir bhi mote taur par adhaatuon ke nimnalikhit gun hain-

  • adhaatueain amleeya aaksaaid banaati hain. (jabki dhaatueain kshaareeya aaksaaid banaati hain.)
  • jo adhaatueain thos hain, ve bhi bhangur (britl) aur chamakaheen hoti hain.
  • adhaatuon ka ghanatv kam hota hai.
  • adhaatuon ki elektraan bandhuta sarvaadhik hoti hai (akriya gaisein apavaad hain.).