Which One of the Following Statements Is NOT Correct?
A)Nucleons $\gt$

Which one of the following statements is NOT correct?

A) Nucleons are held together in a nuclide by the electromagnetic force.
B) Oxygen-15 is unstable because it has too few neutrons.
C) All nuclides with Z $\gt$ 83 are unstable and ultimately decay into more stable nuclides with smaller Z values.
D) As the atomic number increases, the ratio of neutrons to protons in a nuclide generally increases.
E) Generally the number of neutrons in a nuclide equals the number of protons, or nearly so, when the atomic number is small, that is, Z $\lt$ 18.