Hydrogen has three naturally occurring isotopes, denoted 1H, 2H and 3H. Other, highly unstable nuclei (4H to 7H) have been synthesized in the laboratory but not observed in nature.
Hydrogen has three naturally occurring isotopes , denoted 1H , 2H and 3H. Other , highly unstable nuclei ( 4H to 7H ) have been synthesized in the laboratory but not observed in nature .
Which isotopes have unstable nuclei?
Which isotopes have unstable nuclei ?
4H to 7H
4H to 7H