Aspring scale is most useful in measuring

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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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