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Chemistry 2 AQA

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Chemistry 2 AQA

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Chemistry 2 AQA

Topic 1: Structures and Bonding
Atomic structure and The arrangement of electrons in atoms:
E l
ec t
ron sw
h i
c ho
rbit
aroundt hen
u cl
eu sa
rea
r range di
ns
hel
lso
r energy
l
evels.
T he
low est
ene…

Page 4

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Chemical bonding and Ionic bonding:
Wh ena to msr
eact t
heyd
os ot og
e t

af ul
l
ou t
er shel
l.
Thi
sc
a nb
ed one
t
hrough eit
her:
o C oval
en t
bonding
­
sharing
of el
ectr
ons
o Io ni…

Page 5

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Covalent Bonding:
C ova l
ent
bon di
ng usual
ly
happen s
w hen
two nonme tal
s r
eact
toget
he r
.
C ova l
ent
bond i
ngi

sw hene
l
ect
rons ares
hareds
ot
hat
thee
l
eme nt
s can
gain a
full…

Page 6

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Bonding in Metals:
Wh en
me tals
bond, t
hey f
orm a l
att
ice
str
ucture.

T h e at
oms i
n a me t
all
att
ice are posit
iv
e i
ons a s t
hey allh
a ve
delocal
isede
l ectr
on sw…

Page 7

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Topic 2: Structures and Properties
Ionic compounds:
D u et
ot
hes
tronge
lectr
o st
ati
cf
o r
cesb
e tweent
heo pposit
ely
chargedi
ons
inag
i ant
i
onicl
at
ti
ces
t
ructuret
herea
real
ot
of
b ondst
oo
ver
comew h i
ch…

Page 8

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Simple molecules:
C ova l
ent
mo lecul
esh
a vel
owme
l t
inga
n db
o i
li
ngp
o int
s.
Th i
si

sb ecause
t
hei
nter
mo lecul
ar f
orcesa
r ew
e aks
ot h ef
orcesa
ree
a syt
oo
v…

Page 9

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Giant covalent substances:
S o me covalents
u bstances f
orm gi
a ntc
o val
ents
tructur
e s r
athert
h an
si
mp l
e molec ul
es
S o me
giant
c oval
en t
subst
a nces
a r
e:
o D iamo nd ­…

Page 10

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Giant metallic structures:
Me tal
li
cs
u bstance sh
a vet
hea
b i
l
it
yt
oe
asil
ys
li
deo
v er
ea cho
ther,
t
hisi

s
be causeo
f t
h ei
ra
t omsb e i
nga
r r
angedi
nl
ayersa
n dt…

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