????????

?????????? ??????
???? ??????????
???? ????????

?????????? ??? ??? ??????? ??????? ???? ?????? ?????? W ??? ???? ????? 74. ???????? ??? ? ??????? ????? . ???? ?????? ??? ??????? ????? ?? "????????"; ??? ????? ??? ??? ??????, ??? ????? "??????? ?????", ???? ??? ????????? ????? ??? ???????? ??? 19.25, ????? ????? ???? ?? ??????????? ??? ????. ??? ????? ???? ?????? ??? ?? ????? ?????.

????????? ??????
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 Nh Fl Mc Lv Ts Og
?????? ?????? ?????? ??? ?????? ????????? ???????? ????????? ?????? ?????? ?????? ?????????? ????-?????? ???????? ??????? ???? ???????????? ?????? ??????????
??? ?????? ????? ????????? ??? ? ????? . ??? ????? ?? ???? ??? ??? ????????? ??????????? ?????? ???????? ??? ??? ????. ???? ?????? ??? ???????????? .
??????? ???? " https://yi.wikipedia.org/w/index.php?title=????????&oldid=543600 "