Which One of the Following Statements Is Not Correct

Multiple Choice

Which one of the following statements is not correct?

A) Carbon-10 is unstable because it has too few neutrons.
B) All nuclides with Z  83 decay into nuclides with smaller Z values.
C) Generally, the number of neutrons in a nuclide is equal to or less than the atomic number.
D) As the atomic number increases, the ratio of neutrons to protons in a nuclide increases.
E) It is very unusual to find a nuclide with an odd number of protons and an odd number of neutrons.