sulphur
oxygen
mica
solar
manufacture
common
gas
oxygen
crust
fireworks
calcite
olivine
microchips
airplanes
salts
halite
white
hematite
manufacture
automobile
bones
bright
carbon
sodium
light
seawater
limestone
copper
salt
light
panels
pyrite
construction
iron
coral
manufacture
zinc
talc
eggshells
steel
pyramids
IRON
.
A
metal
that
forms
minerals
like
____________________
when
combined
with
____________________
,
and
____________________
when
combined
with
____________________
.
A
mixture
of
____________________
and
____________________
is
used
to
____________________
____________________
.
SILICON
.
The
second
most
abundant
element
in
the
Earth´s
____________________
.
It
is
usually
found
combined
with
other
elements
,
such
as
____________________
.
Silicon
is
used
in
the
____________________
of
____________________
and
____________________
____________________
.
CHLORINE
.
A
____________________
at
room
temperature
.
It
combines
with
____________________
to
form
____________________
____________________
,
wich
is
very
abundant
in
____________________
.
Chlorine
is
the
main
component
of
____________________
(
table
salt
)
MAGNESIUM
.
A
metal
found
in
the
composition
of
minerals
like
____________________
or
____________________
.
It
is
also
found
in
the
form
of
____________________
in
seawater
.
It
is
used
in
____________________
because
it
produces
a
____________________
,
____________________
____________________
.
CALCIUM
.
A
metal
that
is
an
essential
component
of
____________________
,
the
principal
component
of
____________________
.
Calcium
is
found
in
living
things
:
in
____________________
,
____________________
,
teeth
and
____________________
.
Limestone
is
used
in
____________________
;
for
example
,
the
____________________
of
Egypt
.
ALUMINIUM
.
A
soft
metal
found
in
minerals
like
____________________
.
When
combined
with
____________________
or
____________________
,
it
produces
strong
,
____________________
metals
.
These
are
used
in
the
____________________
of
parts
for
____________________
and
____________________
