SALIM CHORIYEV TAYYORLOV KURSI № Nomi Belgisi Atom massasi Oksidlanish darajasi Valentligi O’ z g a r m a s v a l e n t l i k n a m o y o n q i l u v c h i l a r Faqat bir valentlik namoyon qiluvchilar 1 2 3 4 5 6 7 8 Vodorod Litiy Natriy Kaliy Rubidiy Seziy Kumush Ftor H Li Na K Rb Cs Ag F 1 7 23 39 85,5 133 108 19 -1 ; +1 +1 +1 +1 +1 +1 +1 -1 1 1 1 1 1 1 1 1 +2 -2 ; -1 ; +2 +2 +2 +2 +2 +2 +2 2 2 2 2 2 2 2 2 -3 ; +3 +3 +3 3 3 3 Faqat ikki valentlik namoyon qiluvchilar 9 10 11 12 13 14 15 16 Berilliy Kislorod Magniy Kalsiy Rux Stronsiy Kadmiy Bariy Be O Mg Ca Zn Sr Cd Ba 9 16 24 40 65 88 112 137 Faqat uch valentlik namoyon qiluvchilar 17 18 19 Bo’r Alyuminiy Skandiy B Al Sc 11 27 45 O’ z g a r u v c h a n v a l e n t l i k n a m o y o n q i l u v c h i l a r 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Uglerod Azot Kremniy Fosfor Oltingugurt Titan Xrom Marganes Temir Mis Mishyak Qalay Platina Oltin Simob Qo’rg’oshin Xlor Brom Yod C N Si P S Ti Cr Mn Fe Cu As Sn Pt Au Hg Pb Cl Br I 12 14 28 31 32 48 52 55 56 64 75 119 195 197 201 207 35,5 80 127 -4 ; +2 ; +4 -3 +1 +2 +3 +4 +5 -4 ; +2 ; +4 -3 +1 +3 +4 +5 -2 +4 +6 +3 ; +4 +2 ; +3 ; +6 +2 +3 +4 +6 +7 +2 ; +3 ; +6 +1 ; +2 -3 ;+3 ; +5 +2 ; +4 +2 ; +4 ; +6 +1 ; +3 +1 ; +2 +2 ; +4 -1 +1 +3 +5 +7 -1 +1 +3 +5 +7 -1 +1 +3 +5 +7 2;3;4 3;4 2;4 3;5 2;4;6 2;3;4 2;3;6 2;3;4;6;7 2;3;6 1;2 3;5 2;4 2;4;6 1;3 1;2 2;4 1;3;5;7 1;3;5;7 1;3;5;7 Valentlik namoyon qilmaydiganlar Inert gazlar: He( 4 ) Ne( 20 ) Ar( 40 ) Kr( 84 ) Xe( 131 ) Rn( 222 ) SALIM CHORIYEV TAYYORLOV KURSI No Nomi Belgisi Atom massasi Oksidlanish darajasi Valentligi O’ z g a r m a s v a l e n t l i k n a m o y o n q i l u v c h i l a r Faqat bir valentlik namoyon qiluvchilar 1 2 3 4 5 6 7 8 Vodorod Litiy Natriy Kaliy Rubidiy Seziy Kumush Ftor H Li Na K Rb Cs Ag F 1 7 23 39 85,5 133 108 19 -1 ; +1 +1 +1 +1 +1 +1 +1 -1 1 1 1 1 1 1 1 1 +2 -2 ; -1 ; +2 +2 +2 +2 +2 +2 +2 2 2 2 2 2 2 2 2 -3 ; +3 +3 +3 3 3 3 Faqat ikki valentlik namoyon qiluvchilar 9 10 11 12 13 14 15 16 Berilliy Kislorod Magniy Kalsiy Rux Stronsiy Kadmiy Bariy Be O Mg Ca Zn Sr Cd Ba 9 16 24 40 65 88 112 137 Faqat uch valentlik namoyon qiluvchilar 17 18 19 Bo’r Alyuminiy Skandiy B Al Sc 11 27 45 O’ z g a r u v c h a n v a l e n t l i k n a m o y o n q i l u v c h i l a r 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Uglerod Azot Kremniy Fosfor Oltingugurt Titan Xrom Marganes Temir Mis Mishyak Qalay Platina Oltin Simob Qo’rg’oshin Xlor Brom Yod C N Si P S Ti Cr Mn Fe Cu As Sn Pt Au Hg Pb Cl Br I 12 14 28 31 32 48 52 55 56 64 75 119 195 197 201 207 35,5 80 127 -4 ; +2 ; +4 -3 +1 +2 +3 +4 +5 -4 ; +2 ; +4 -3 +1 +3 +4 +5 -2 +4 +6 +3 ; +4 +2 ; +3 ; +6 +2 +3 +4 +6 +7 +2 ; +3 ; +6 +1 ; +2 -3 ;+3 ; +5 +2 ; +4 +2 ; +4 ; +6 +1 ; +3 +1 ; +2 +2 ; +4 -1 +1 +3 +5 +7 -1 +1 +3 +5 +7 -1 +1 +3 +5 +7 2;3;4 3;4 2;4 3;5 2;4;6 2;3;4 2;3;6 2;3;4;6;7 2;3;6 1;2 3;5 2;4 2;4;6 1;3 1;2 2;4 1;3;5;7 1;3;5;7 1;3;5;7 Valentlik namoyon qilmaydiganlar Inert gazlar: He( 4 ) Ne( 20 ) Ar( 40 ) Kr( 84 ) Xe( 131 ) Rn( 222 )