Every
____________________
is
composed
of
a
positevily
charged
____________________
surrounded
by
negatively
charged
electrons
.
Protons
and
____________________
make
up
the
nucleus
.
An
atom
has
many
electron
as
____________________
.
When
an
atom
loses
one
or
more
electrons
,
it
has
a
net
negative
charge
.
A
charged
particle
is
called
an
____________________
.