Revision notes AND exam-style questions for AQA C2

Revision notes AND exam-style questions for AQA C2 

HideShow resource information
Preview of Revision notes AND exam-style questions for AQA C2

First 307 words of the document:

GCSE SCIENCE REVISION
CHEMISTRY (P2)
OK i
t'
s t
ime t
o s
top
faf
fi
n about
and
get
stuck
in
to
some
revi
si
on .
I
f
you want
to
do wel
l
i
n your
sci
ence
G CSE you
w i
l
l
need t
o know al
l
of
the
stuf
f
on t
his
revi
si
on
booklet
.
SECTI
O N C2.
1
You should know and / or be able to use / do the following
To
repr
e sent
t
he el
ect
roni
c st
ruct
ure
of
the
fi
rst
t
w ent
y el
ement
s of
t
he
per
iodi
c t
abl
e i
n
t
he f
oll
owing f
orms:
f
or
sodi
um
(and
2,8,
1)
To
repr
esent
t
he
elect
roni
c st
ruct
ure
of
the
ions
in
sodi
um,
chl
ori
de,
magnesi
um
oxi
de
and
cal
cium
chl
ori
de
in
the
foll
owing
for
ms :
f
or
sodi
um
ion
(Na+)
and
[2,
8]+

Other pages in this set

Page 2

Preview of page 2

Here's a taster:

To
repr
e sent
t
he coval
ent
b onds
in
mo l
ecules
such
as
w at
er,
ammo ni
a,
hydr
og en,
hydr
ogen chl
ori
de,
chlori
ne,
me t
ha ne
and oxygen
and
in
giant
st
ruct
ures
such
as
di
amo nd
and si
li
con di
oxide
in
the
foll
owing
for
ms :
To
repr
esent
t
he
bondi
ng
in
met
als
in
the
fol
lowi
ng
for
m:
To
w r
it
e bal…read more

Page 3

Preview of page 3

Here's a taster:

Name of particle Charge
Prot
on +1
Neutr
on
0
El
ectron
.1
I
n an
atom,
the numbe r
of
el
ectr
ons i
s equal
t
o t
he number
of
pr
otons
in
the
nucl
e us.
At
oms
have no over
all
el
ectr
ical
char
ge.
Al
l
atoms of
a
parti
cular
el
eme nt
have t
he same
n umber
of
pr
otons.…read more

Page 4

Preview of page 4

Here's a taster:

Wh en
atoms share
pair
s of
el
ectr
ons,
they
for
m coval
ent
bonds.
The se
bonds
between
at
oms
are st
rong.
Some
covalent
ly
bonded subst
ances
consi
st
of
simple
molecul
es
such
as H2,
C l
2,
O 2,
HCl,
H2O and CH4.
Other
s have
giant
coval
ent
st
ruct
ures
(macr
omol
ecul
es)
,
such
as
diamond
and
sil
i
con
di
oxide.…read more

Page 5

Preview of page 5

Here's a taster:

I
n whi
ch
group
of
the
per
iodi
c t
abl
e i
s t
his
el
ement
?
(
e)Draw
a si
mil
ar
diagr
am
to
show t
he
ion
for
med
by
thi
s at
om
in
ioni
c
compounds.
Show
the
char
ge
on
the
ion.…read more

Page 6

Preview of page 6

Here's a taster:

Draw
a dot
and
cross
di
agr
am
to
show t
he
bondi
ng
in
a mol
ecul
e of
hydr
ogen
chl
ori
de. (
2)
(
c)Expl
ain
w hy
hydr
ogen
and
chl
ori
ne
for
m a
singl
e coval
ent
bond.
(
d)Expl
ain
w hy
si
li
con
can
for
m gi
ant
st
ruct
ures.…read more

Page 7

Preview of page 7

Here's a taster:

Draw
a dot
and
cross
di
agr
am
to
show t
he
arr
angement
of
el
ect
rons
in
an
oxi
de
ion. (
3)
(
c)What
i
s
the
for
mul
a of
magnesi
um
oxi
de?
5 Ber
zel
ius
(1779­1848)
car
ri
ed
out
exper
iment
s t
o di
scover
t
he
atomi
c mass
of
many
element
s.…read more

Page 8

Preview of page 8

Here's a taster:

Use
thi
s exampl
e t
o expl
ain
the
rel
ati
onshi
p bet
ween
technol
ogy
and
sci
ence.
(
1)
6 The
diagr
am
repr
esent
s at
oms
of
pot
assi
um
in
the
sol
id
met
al.…read more

Page 9

Preview of page 9

Here's a taster:

Subst
ances t
hat
have si
mp l
e molecul
ar,
gi
ant
ioni
c and gi
ant
coval
ent
str
uctur
es
have
very
dif
fer
ent
propert
ies.
I
oni
c,
covalent
and
me tal
li
c bonds
are
str
ong.
The
f
orces
between mol
e cul
es
a r
e weaker,
eg
in
carbon
d i
oxi
d e
and i
odi
ne.
N anomat
eri
als
have
new proper
ti
es because
of
thei
r
very
sma l
l
size.…read more

Page 10

Preview of page 10

Here's a taster:

Nanosci
ence r
efers
to
str
uctures
that
ar
e
1 100 nm i
n si
ze, of
t
he order
of
a f
ew
hundred
at
oms .…read more

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all resources »