with regard to???? this could mean a million things
unstable
stable
the antonym of stable is unstable
It really isn't elements that are stable or unstable, but isotopes. Carbon has both stable and unstable isotopes.
yes
A stable system is one that holds stability and is dependable. An unstable system is just the opposite. You do not know what to expect from an unstable system; it is not close to being dependable.
is peru government stable or unstable
unstable
Marginally stable system is when the system control components are JUST right. So if they change slightly the system becomes unstable. I wouldn't fly on that airplain.
It is stable
stable
stable
stable
Chlorine is stable.
phosphorus is not stable
cuba is stable
the antonym of stable is unstable