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Copyright T Ha Sinh - Trng THPT Nam Sch II pg. 2
- Nh mi lin h v cch thit lp cng thc ca hp cht oxit caonht v cng thc ca hp cht vi hidro
Nhm IAIIIA IVAVIIA
Tnh cht Kim loiPhi kim (ring IV c th l
kim loi)Ha tr cao nht vioxi
= s th t nhm
Ha tr trong hpcht kh vi hydro
= 8 s th t nhm
Tnh cht oxit v hy-
droxit
Tnh
bazTnh axit
Chng III: Lin kt ho hc
1.Lin kt ion, lin kt cng ho tr khng phn cc, lin ktcng ho tr c phn cc- Khi nim lin kt ion, lin kt cng ha tr (phn cc v khngphn cc) t/c
Linkt Lin kt ion Lin kt cng ho tr
LK CHT khngcc
LK CHT c cc
Bncht
do lc ht tnhin gia ccion mang in
tch tri du
-L s dng chung cc cp electron(cp electron chung c th do 2 hoc 1
nguyn t b ra)
-Cp electrrondng chung phn
b thng gia.
-Cp electrrondng chung b lchv pha nguyn tc m in ln
hn.iu
kinlin kt
Xy ra gia
nhng nguynt khc hn
Thng xy ra
gia 2 nguyn tcng nguyn t
Xy ra gia 2
nguyn t gnging nhau v bn
nhau v bncht ho hc
(thng xy ravi cc kim
loi in hnh
v cc phi kimin hnh)
phi kim cht ho hc(thng xy ra
vi cc nguyn tphi kim nhm
4,5,6,7)
Hiu min
1,7 4,00
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