kassabemnet659 kassabemnet659 26-06-2024 Physics Answered 120 110 100 90 80 Neutron number, N 70 60 50 40 30 20 10 D 0 10 20 30 40 50 60 70 80 90 Proton number, Z Two nuclides that are isotopes could lie on curve A. 1. B. 2. C. 3. D. 4. E. 5.