change the center of gravity (or mass)
[balast - keel - move cargo]
the antonym of stable is unstable
is peru government stable or unstable
cuba is stable
stable
stable
Unstable.
The opposite of stable is unstable or variable.
Helium is a stable element.
Unstable
Selenium is generally considered stable in its elemental form. However, some of its isotopes are unstable and undergo radioactive decay.
Critical Unstable Potentially Unstable Stable
Stable nuclei have a balanced number of protons and neutrons, while unstable nuclei have an imbalance. Unstable nuclei undergo radioactive decay to become more stable.