1. Which of the following statements regarding the periodic table of elements is true?
A. The periodic table does not list all of the known elements in the universe.
B. The properties of elements can be predicted by their positions in the periodic table, but how the
elements react with each other cannot be predicted.
C. All elements on the periodic table are made up of the same fundamental particles: protons, neutrons
and electrons.
D. All nonliving things consist of elements on the periodic table; all living things consist of things that
are not listed on the periodic table.