negative associated (of ome)
binding the =
energy with the defect
-
energy mass
into
required its constituents
-
the to separate the nucleus
energy
unified atomic mass = 1 .
66 x10
leg iron (Fe) is the most stable nucleus
↑
nuclear fusion
-
mmm
smaller nuclei join together to form one
Anger nuclei
~
my
is released as
binding energy per
nucleon increases
>
-
conditions :
* (needs Kinetic
high temperatures
extremely s
a energy
to overcome the
electrostatic repulsive force between positive nuclei
*
mmm
density (so there are
enough
collisions to maintain fusion
*
high pressure
nuclear fission
unstable nuclei splits into
mnlarger
-
two
daughter nuclei
~
binding
-
is released increases
mmm as
energy per nucleon
background radiation -
around us
constantly (corrected =
total
-
BR)
Crocks)
>
-
radon
gas
>
-
artificial sources (nuclear weapon testing)
>
-
cosmic rays (sun)
radiation -
when an unstable nucleus emits in the form Em
energy of
waves or subatomic particles to become more stable
-
a
, B , y