Neutrons
have
no
____________________
charge
.
Protons
have
a
____________________
electrical
charge
.
Electrons
move
around
the
____________________
and
have
a
negative
electrical
charge
.
Atoms
which
usually
have
the
same
number
of
protons
and
electrons
are
____________________
.
If
an
atom
gains
electrons
,
it
will
have
a
____________________
charge
.
If
an
atom
loses
____________________
,
it
will
have
a
positive
charge
.
