What is the half life of an element of 1/8 of a sample remains after 12 years?

This is what i found on google “what happens to the bond angle when you add or remove an electron domain? the bond angle decreases as you add domains 5. can you force the atoms into new configurations by pushing atoms around? note: we can think of a bond or a lone pair of electrons as a “domain” of electrons.” i hope this you

Ifound this on google i hope it you

The answer to your is is c motion and shape