If You Plotted the Number of Neutrons Against the Number

Multiple Choice

If you plotted the number of neutrons against the number of protons of all atoms listed in the periodic table of the elements, what would you discover?

A) All chemical elements have multiple isotopes.
B) Approximately 2,000 isotopes have been identified.
C) The number of protons nearly equals the number of neutrons for the lighter elements.
D) Heavier elements tend to have more neutrons than protons.
E) All of these are correct.