Answer :
Protons would be the top # so 98
Electrons would be the bottom # so 251
Neutrons would be proton and electrons subtracted so 251-98= 153
I hope this is correct and I hope I helped!
Electrons would be the bottom # so 251
Neutrons would be proton and electrons subtracted so 251-98= 153
I hope this is correct and I hope I helped!