17O-2 What does the -2 represent?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Which best describes why nh4+ can form an ionic bond with ci-?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed