2.
3.
4.
6.
7.
fjz
KTIOA
HOA HOC
fiilysaD'fl
KIEM TRA crtfa.
ri t
nAnn
Hoc
2008- 2009
'
. ,-
^
:
LoP
cTINHAN
lf
Hec
pnAn
no,Lngc DAr ctIoNG
Thdi
gian
lim
bii: 90
phrit
1. Crv sd dO
phan
biQt hat vi
m6 vd vi
m6?
MQt
v$t th6 c6
khOi
luqng 0,01
gam
chuy6n
ilQng theo
phuong
x v6i
vQn tt5c 800
m/s,
'
A
do t6c ttQ theo
phucrng
x
ld 10-3 %. C6 th6
coi
hpt ndy li vi
hpt hay
sal
so cua
pne"
kh6ng?
Gi6i thich sp
lai
hod
hong
phdn
tu NH3 biiSt
ring
g6c
HNH x6p
xi 1070.
Gi6i thich
t4i sao
& cing nh6m
Va nhrmg
P
c6
th6 c6 h6a
tri 5 cdn N
thi kh6ng?
Ning
lugng ion
h6a thri nhdt
ld ndng lugng cAn
cung c6p
dO
thch
I electron
ra kh6i
nguy6n
tu o tr4ng
th6i cry ban.
Dya vdo
qui
tic Slater
hdy tfnh
ndng lugng
ion h6a thri
nhdt ciaHe
theo eV.
M6 te sg
t4o 1i6n
ktit cQng h6a tri
trong
phan
tu
Oz theo
qui
thcbfuttti,
theo thuyiSt
VB
vi theo thuyiSt
MO bi6t
ring trong thUc tC O2ld
ch5t thuan
tu.
Qua
d6 cho
th6y uu
tti6m vd h4n
ch6 cria tirng
thuytit kfri kh6o s6t li6n
ki5t cQng
h6a
tri.
Theo li thuytit vA
tucmg tdc dhy
giirachc
c{p
electron,
hdy dg ct6an dang
hinh hgc
ctra
5.
i6c
phdn
flr:ArcE
:r:
Xi5p dAy cdc
cilutft sau
theo chidu tdng ddn b6il
kinh,
gi6i
thich:
eF-, 11Na+, 8O2-,
rN'-,
,rAl'*, nMg2*,rNe.
Cho dien
ttch hgt nhdn cila
cdc ng,tyAn tu ng,ry€n
t6 taong {cng
td: H(I),He(2),
C(6),
N(7), O(8),
F(9), Ne(l0),
Na(l1),
Mg([2), Al(13), P(l5), ClQT).
Thi
sinh
khdng tlugc sfr
dgng tiri liQu, kO cn bing
HTTH.
4b
61'
4?
+[
5d
+{
5l
-
&1
w-I-I
n-
Litl,ltt
t
// )
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9{
,ry
,rd
,'$,lO
'to
t