What
are
chemical
charges
?
1
.
-
When
atoms
attach
to
other
atoms
,
the
forces
that
hold
these
atoms
together
are
____________________
____________________
.
2
.
-
During
a
____________________
____________________
,
new
substances
with
new
properties
form
.
3
.
-
Evidence
that
a
chemical
change
has
occurred
includes
a
change
in
____________________
or
the
formation
of
____________________
.
4
.
-
Another
term
for
chemical
change
is
____________________
____________________
.
5
.
-
The
substances
present
before
chemical
change
happens
are
____________________
,
and
those
present
after
chemical
changes
are
____________________
.
6
.
-
A
chemical
equation
uses
____________________
and
____________________
to
show
that
changes
have
occurred
.
7
.
-
A
chemical
equation
is
____________________
because
it
shows
the
same
numbers
and
types
of
atoms
on
both
sides
.
8
.
-
Because
it
shows
the
same
numbers
of
each
type
of
atom
on
both
sides
,
a
chemical
equation
shows
that
a
chemical
change
obeys
the
law
of
____________________
of
____________________
.
