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: 1s2 <2s2 <2p6<3s2<3p6<4s2<3d104p6<5s2<4d10<5p6<6s2<4f14<5d10<6p6<7s2<5f14<6d10.

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: , . , . s- (1 ) 2 , p- (3 ) 6 , d- (5 ) 10 , f- (7 ) 14 . 2n2, n .

H 1 s 1He 1 s 2

Li [He] 2 s 1Be [He] 2 s 2B [He] 2 s 2 2 p 1C [He] 2 s 2 2 p 2N [He] 2 s 2 2 p 3O [He] 2 s 2 2 p 4F [He] 2 s 2 2 p 5Ne [He] 2 s 2 2 p 6

Na [Ne] 3 s 1Mg [Ne] 3 s 2 Al [Ne] 3 s 2 3 p 1Si [Ne] 3 s 2 3 p 2P [Ne] 3 s 2 3 p 3S [Ne] 3 s 2 3 p 4Cl [Ne] 3 s 2 3 p 5Ar [Ne] 3 s 2 3 p 6

K [Ar] 4 s 1 Ca [Ar] 4 s 2 Sc [Ar] 4 s 2 3 d 1 Ti [Ar] 4 s 2 3 d 2 V [Ar] 4 s 2 3 d 3 Cr [Ar] 4 s 1 3 d 5Mn [Ar] 4 s 2 3 d 5 Fe [Ar] 4 s 2 3 d 6 Co [Ar] 4 s 2 3 d 7 Ni [Ar] 4 s 2 3 d 8 Cu [Ar] 4 s 1 3 d 10 Zn [Ar] 4 s 2 3 d 10 Ga [Ar] 4 s 2 3 d 10 4 p 1Ge [Ar] 4 s 2 3 d 10 4 p 2As [Ar] 4 s 2 3 d 10 4 p 3Se [Ar] 4 s 2 3 d 10 4 p 4Br [Ar] 4 s 2 3 d 10 4 p 5Kr [Ar] 4 s 2 3 d 10 4 p 6

Rb [Kr] 5 s 1Sr [Kr] 5 s 2Y [Kr] 4 d 1 5 s 2Zr [Kr] 4 d 2 5 s 2Nb [Kr] 4 d 4 5 s 1Mo [Kr] 4 d 5 5 s 1Tc [Kr] 4 d 5 5 s 2Ru [Kr] 4 d 7 5 s 1Rh [Kr] 4 d 8 5 s 1Pd [Kr] 4 d 105 s 0Ag [Kr] 4 d 10 5 s 1Cd [Kr] 4 d 10 5 s 2In [Kr] 5 s 2 4 d 10 5 p 1Sn [Kr] 5 s 2 4 d 10 5 p 2Sb [Kr] 5 s 2 4 d 10 5 p 3Te [Kr] 5 s 2 4 d 10 5 p 4I [Kr] 5 s 2 4 d 10 5 p 5Xe [Kr] 5 s 2 4 d 10 5 p 6

Cs [Xe] 6 s 1Ba [Xe] 6 s 2La [Xe] 5 d 1 6 s 2Ce [Xe] 5 d 1 6 s 2Pr [Xe] 4 f 3 6 s 2Nd [Xe] 4 f 4 6 s 2Pm [Xe] 4 f 5 6 s 2Sm [Xe] 4 f 6 6 s 2Eu [Xe] 4 f 7 6 s 2Gd [Xe] 4 f 7 5 d 1 6 s 2Tb [Xe] 4 f 9 6 s 2Dy [Xe] 4 f 10 6 s 2Ho [Xe] 4 f 11 6 s 2Er [Xe] 4 f 12 6 s 2Tm [Xe] 4 f 13 6 s 2Yb [Xe] 4 f 14 6 s 2Lu [Xe] 4 f 14 5 d 1 6 s 2Hf [Xe] 4 f 14 5 d 2 6 s 2Ta [Xe] 4 f 14 5 d 3 6 s 2W [Xe] 4 f 14 5 d 4 6 s 2Re [Xe] 4 f 14 5 d 5 6 s 2Os [Xe] 4 f 14 5 d 6 6 s 2Ir [Xe] 4 f 14 5 d 7 6 s 2Pt [Xe] 4 f 14 5 d 9 6 s 1Au [Xe] 4 f 14 5 d 10 6 s 1Hg [Xe] 4 f 14 5 d 10 6 s 2Tl [Xe] 4 f 14 5 d 10 6 s 2 6 p 1Pb [Xe] 4 f 14 5 d 10 6 s 2 6 p 2Bi [Xe] 4 f 14 5 d 10 6 s 2 6 p 3Po [Xe] 4 f 14 5 d 10 6 s 2 6 p 4At [Xe] 4 f 14 5 d 10 6 s 2 6 p 5Rn [Xe] 4 f 14 5 d 10 6 s 2 6 p 6

Fr [Rn] 7 s 1Ra [Rn] 7 s 2Ac [Rn] 6 d 1 7 s 2Th [Rn] 6 d 2 7 s 2Pa [Rn] 5 f 2 6 d 1 7 s 2U [Rn] 5 f 3 6 d 1 7 s 2Np [Rn] 5 f 5 7 s 2Pu [Rn] 5 f 6 7 s 2Am [Rn] 5 f 7 7 s 2Cm [Rn] 5 f 7 6 d 1 7 s 2Bk [Rn] 5 f 9 7 s 2Cf [Rn] 5 f 10 7 s 2Es [Rn] 5 f 11 7 s 2Fm [Rn] 5 f 12 7 s 2Md [Rn] 5 f 13 7 s 2No [Rn] 5 f 14 7 s 2Lr [Rn] 5 f 14 6 d 1 7 s 2 Rf [Rn] 5 f 14 6 d 2 7 s 2 Db [Rn] 5 f 14 6 d 3 7 s 2 Sg [Rn] 5 f 14 6 d 4 7 s 2 Bh [Rn] 5 f 14 6 d 5 7 s 2 Hs [Rn] 5 f 14 6 d 6 7 s 2 Mt [Rn] 5 f 14 6 d 7 7 s 2

11 ́-́ ́ (, . redox red uction- ox idation -) - , , , - -.

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