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
Helium 4 is very stable. Helium 6 is unstable.
is peru government stable or unstable
It is stable
stable
stable
stable
Chlorine is stable.
phosphorus is not stable
the antonym of stable is unstable
cuba is stable
stable
unstable, think about it.
Unstable.